Study of Letrozole With or Without BYL719 or Buparlisib, for the Neoadjuvant Treatment of Postmenopausal Women

Novartis Investigative Site, Saida

Novartis Investigative Site, Sofia

Novartis Investigative Site, Edegem

Novartis Investigative Site, Kingswood

Novartis Investigative Site, Leuven

Novartis Investigative Site, Salzburg

Novartis Investigative Site, Innsbruck

Novartis Investigative Site, Dornbirn

Novartis Investigative Site, Varna

Novartis Investigative Site, Sint-Niklaas

Novartis Investigative Site, Villach

Novartis Investigative Site, Shumen

Novartis Investigative Site, Prague

Novartis Investigative Site, Berlin

Novartis Investigative Site, A Coruña

Novartis Investigative Site, Donostia / San Sebastian

Novartis Investigative Site, Milan

Mercy Medical Center Medical Oncology & Hematology, Baltimore

Sidney Kimmel Comprehensive Cancer Center/Johns Hopkins Med. Johns Hopkins Med. BYL719A2201, Baltimore

Virginia Oncology Associates SC, Norfolk

Novartis Investigative Site, Kiel

Novartis Investigative Site, Brescia

Novartis Investigative Site, Cremona

Duke University Medical Center Duke University Medical Center, Durham

Novartis Investigative Site, Madrid

Novartis Investigative Site, Madrid

Novartis Investigative Site, Madrid

Emory University School of Medicine/Winship Cancer Institute SC, Atlanta

Vanderbilt Ingram Cancer Center Vanderbilt Health 100 Oaks, Nashville

Novartis Investigative Site, Seville

Novartis Investigative Site, Essen

Novartis Investigative Site, Valencia

Novartis Investigative Site, Cologne

Mayo Clinic - Rochester BYL719A2201 - SC, Rochester

Novartis Investigative Site, Macerata

Novartis Investigative Site, Tel Aviv

Highlands Oncology Group, Fayetteville

Presbyterian Hospital of Dallas TexasOncology@PresbyterianHosp, Dallas

Texas Oncology Texas Oncology - Sammons, Dallas

Texas Oncology, P.A., Bedford

Texas Oncology Houston Memorial City SC, Houston

Cancer Care Centers of South Texas HOAST CCC of So. TX- San Antonio(2), San Antonio

Cancer Therapy & Research Center UT Health Science Center InstituteForDrugDevelopment(5), San Antonio

Novartis Investigative Site, Napoli

Los Angeles Hematology/Oncology Medical Group Onc Dept., Los Angeles

University of California at Los Angeles UCLA SC, Los Angeles

Novartis Investigative Site, Erlangen

University of California San Francisco BYL719A2201 - SC, San Francisco

Northwest Cancer Specialists Vancouver Loc, Portland

Seattle Cancer Care Alliance SC-3, Seattle

Northwest Medical Specialties Dept.ofNW Med. Specialties, Tacoma

Novartis Investigative Site, El Achrafiyé

Novartis Investigative Site, Haifa

Novartis Investigative Site, Ramat Gan

University of Alabama at Birmingham/ Kirklin Clinic Univ AL - PI, Birmingham

Dana Farber Cancer Institute BYL719A2201, Boston

Cancer Institute of New Jersey, New Brunswick

Novartis Investigative Site, Leoben

Novartis Investigative Site, Rankweil

Novartis Investigative Site, Vienna

Novartis Investigative Site, Goiânia

Novartis Investigative Site, Porto Alegre

Novartis Investigative Site, Ribeirão Preto

Novartis Investigative Site, São Paulo

Novartis Investigative Site, São Paulo

Novartis Investigative Site, Vancouver

Novartis Investigative Site, Montreal

Novartis Investigative Site, Montreal

Novartis Investigative Site, Québec

Novartis Investigative Site, Medellín

Novartis Investigative Site, Bogotá

Novartis Investigative Site, Hong Kong SAR

Novartis Investigative Site, Beirut

Novartis Investigative Site, Olomouc

Novartis Investigative Site, Nagoya

Novartis Investigative Site, Hiroshima

Novartis Investigative Site, Osaka

Novartis Investigative Site, Bunkyo-ku

Novartis Investigative Site, Koto-ku

Novartis Investigative Site, Niigata

Novartis Investigative Site, Delft

Novartis Investigative Site, Leiden

Novartis Investigative Site, The Hague

Novartis Investigative Site, Tilburg

Novartis Investigative Site, Barcelona

Novartis Investigative Site, L'Hospitalet de Llobregat