A Study to Learn About the Safety of BIIB080 Injections and Whether They Can Improve Symptoms of Participants With Mild Cognitive Impairment Due to Alzheimer's Disease (AD) or Mild AD Dementia Between 50 to 80 Years of Age

Azienda Ospedaliera Universitaria Policlinico Umberto I - Università di Roma La Sapienza, Roma

UZ Brussel, Brussels

Cliniques Universitaires Saint-Luc, Brussels

Hôpitaux Universitaires de Genève - HUG- Centre de la mémoire, Bâtiment A1 - Morier, Geneva

St Vincent's Hospital Sydney, Darlinghurst

Royal Prince Alfred Hospital, Camperdown

Rigshospitalet, Copenhagen

Liverpool Hospital, Liverpool

Southern Neurology, Kogarah

Spitalzentrum Biel, Biel/Bienne

UZ Leuven, Leuven

Mater Hospital Brisbane, South Brisbane

Klinikum Altenburger Land GmbH, Altenburg

Ospedale Regionale di Lugano, Lugano

Hospital de la Santa Creu i Sant Pau, Barcelona

Fundacio ACE, Barcelona

Hospital Clinic de Barcelona, Barcelona

AZ Groeninge, Kortrijk

Kantonsspital St. Gallen, Sankt Gallen

Ålborg Universitets Hospital, Aalborg

New York University Medical Center PRIME, New York

Charité - Campus Charité Mitte, Berlin

South Shore Neurologic Associates, P.C., Patchogue

Neurological Associates of Albany, PC, Albany

Charité - Universitätsmedizin Berlin, Berlin

SUNY Upstate Medical University, Syracuse

Hospital Universitario Reina Sofia, Córdoba

Karolinska universitetssjukhuset - Huddinge, Stockholm

Dent Neurologic Institute, Amherst

FORBELI s.r.o., Prague

Ospedale San Raffaele, Milan

Fondazione IRCCS Istituto Neurologico Carlo Besta, Milan

CRST, Clinical Research Services Turku, Turku

Azienda Socio Sanitaria Territoriale degli Spedali Civili di Brescia (Presidio Spedali Civili), Brescia

Hospital Universitari de Santa Maria, Lleida

Duke University, Durham

AMC Research, LLC, Matthews

Clinica Universidad de Navarra, Pamplona

Hopital Purpan, Toulouse

Hôpital La Grave, Toulouse

Charter Research, LLC, Lady Lake

K2 Medical Research, LLC, Orlando

Conquest Research, Winter Park

Charter Research, LLC, Winter Park

Advent Health, Orlando

Hopital Gui de Chauliac, Montpellier

Ospedale di Arzignano, Arzignano VI

Universitaetsmedizin Goettingen, Göttingen

Neurology Clinic, PC, Cordova

Care Clinic Centrum Medyczne, Katowice

Hospital Victoria Eugenia, Seville

Sahlgrenska Universitetssjukhuset, Mölndal Sjukhus, Mölndal

NeuroScience Research Center, LLC., Canton

Katholisches Klinikum Bochum gGmbH, Bochum

CHU Nantes - Hopital Nord Laënnec, Saint-Herblain

Hospital Universitario Dr. Peset, Valencia

Hospital Universitari i Politecnic La Fe, Valencia

CAE Oroitu, Getxo

Fakultni nemocnice Hradec Kralove, Hradec Králové

Universitaetsklinikum Koeln, Cologne

Deutsches Zentrum fuer Neurodegenerative Erkrankungen (DZNE), Bonn

Hopital Roger Salengro - CHU Lille, Lille

Neuro Centrum Science GmbH, Erbach im Odenwald

Fakultni nemocnice u sv. Anny v Brne, Brno

CHU Strasbourg - Hôpital Hautepierre, Strasbourg

Universitaetsmedizin Mannheim, Mannheim

Itä-Suomen yliopisto, Kuopion kampus, Kuopio

Fakultni nemocnice Ostrava, Ostrava

Universitaetsklinikum Tuebingen, Tübingen

Azienda Ospedaliera Card. G. Panico, Tricase

Hôpital Lariboisière, Paris

Groupe Hospitalier Pitie-Salpetriere, Paris

Neurology Consultants of Dallas, PA, Dallas

CHU de Rouen - Hôpital Charles Nicolle, Rouen

University of Texas Health Science Center at San Antonio, San Antonio

Rocky Mountain Movement Disorders Center, PC, Englewood

Klinikum der Universität München, München

Xenoscience Inc., Phoenix

HonorHealth Neurology, Scottsdale

Banner Sun Health Research Institute, Sun City

Center for Neurosciences, Tucson

Universitaetsklinikum Ulm, Ulm

Fondazione Istituto G.Giglio di Cefalù, Cefalù

Mary S. Easton Center for Alzheimer's Disease Research, UCLA, Los Angeles

University of California San Diego Medical Center, San Diego

PNS Clinical Research, LLC dba, Orange

University of California San Francisco (PARENT), San Francisco

Stanford Hospital and Clinics, Palo Alto

Klinikum Bayreuth GmbH- Hohe Warte, Bayreuth

Sutter Institute for Medical Research, Sacramento

Hawaii Pacific Neuroscience, Honolulu

EvergreenHealth, Kirkland

Kingfisher Cooperative, LLC, Spokane

Brigham and Women's Hospital Department of Neurology, Boston

Beth Israel Deaconess Medical Center, Boston

Lahey Clinic Medical Center - Burlington, Burlington

Boston Center for Memory, Newton

University of Cincinnati Physicians Group, LLC, Cincinnati

Butler Hospital, Providence

The Medical Arts Health Research Group, Kamloops

UBC Hospital, Vancouver

Medical Arts Health Research Group, West Vancouver

Recherches Neuro-Hippocampe Inc., d/b/a Ottawa Memory Clinic, Ottawa

Toronto Memory Program (Neurology Research Inc.), Toronto

Clinique de la Memoire de l'Outaouais, Gatineau

Montreal Neurological Institute Clinical Research Unit, Montreal

Jewish General Hospital - NETWORK, Montreal

Fakultni nemocnice v Motole, Prague

Vestra Clinics s.r.o., Rychnov nad Kněžnou

Azienda Ospedaliera e Universitaria di Perugia, Perugia

Ehime University Hospital, Toon-shi

Himeji Central Hospital Clinic, Himeji-shi

Nippon Medical School Musashi Kosugi Hospital, Kawasaki-shi

Yokohama City Minato Red Cross Hospital, Yokohama

Osaka Metropolitan University Hospital, Osaka

Osaka University Hospital, Suita-shi

Tokyo Metropolitan Institute for Geriatrics and Gerontology, Itabashi-ku

Brain Research Center Amsterdam, Amsterdam

Podlaskie Centrum Psychogeriatrii, Bialystok

PROMENTE Sp. z o.o., Bydgoszcz

Nzoz Novo-Med, Katowice

SPZOZ Szpital Uniwersytecki w Krakowie, Krakow

SPZOZ Centralny Szpital Kliniczny UM w Lodzi, Lodz

Samodzielny Publiczny Szpital Kliniczny Nr 4 w Lublinie Kliniczny Oddział Neurologii Oddział Udarowy, Lublin

Centrum Medyczne Senior, Sopot

NeuroProtect Sp. z o.o., Warsaw

Mazowiecki Szpital Wojewódzki w Warszawie Sp z oo, Warsaw

Institute of Psychiatry, Psychology and Neuroscience, London

Re:Cognition Health Ltd (London), London

Charing Cross Hospital, London

The National Hospital for Neurology and Neurosurgery Centre, London

Greater Manchester Mental Health NHS Foundation Trust, Manchester

Southampton General Hospital, Southampton

Warneford Hospital, Oxford

Royal Hallamshire Hospital, Sheffield

NeuroClin Limited, Motherwell

Re:Cognition Health - Birmingham, Birmingham

Re Cognition Health Bristol, Bristol