Open Label Extension Study of PREOS

'Spitalul Clinic Judetean Cluj-Napoca, Cluj-Napoca

'College of Physicians and Surgeons, Columbia University, New York

'Physicians Clinical Research Services, White Plains

'Stony Brook Clinical Research Trials Center, Stony Brook

'Hospital de Mexico, Mexico City

'Rochester Clinical Research Inc., Rochester

'University of Pittsburgh Medical Center, Pittsburgh

'Altoona Center for Clinical Research, Duncansville

'Thomas Jefferson University, Philadelphia

'Radiant Research, Wyomissing

'Clinical Research Center of Reading LLP, West Reading

'Hospital Santa Casa de Misericórdia do Rio de Janeiro, Rio de Janeiro

'Hospital do Servidor Público do Rio de Janeiro, Rio de Janeiro

'Bethesda Health Research Center, Bethesda

'The Center for Rheumatology and Bone Research, Wheaton

'The Osteoporosis and Clinical Trials Center, Cumberland

'Arthritis & Osteoporosis Center of Maryland, Frederick

'National Clinical Research, Inc., Richmond

'MCV Physicians Program for Osteoporosis, Richmond

'Center for Arthritis and Diabetes, Newport News

'Duke University Medical Center, Durham

'Columbia Arthritis Center, PA, Columbia

'Radiant Research, Anderson

'Radiant Research, Greer

'Rambam Medical Center, Haifa

'The Center for Diabetes and Endocrine Care, Hollywood

'The Centre for Arthritis and Rheumatic Diseases, South Miami

'Palm Beach Research Center, West Palm Beach

'RASF - Clinical Research Center, Boca Raton

'Lin Medical Center, Haifa

'Florida Wellcare Alliance, Inverness

'Renstar Medical Group, Ocala

'The Arthritis Center, Palm Harbor

'Radiant Research - Stuart & LakeWorth, Stuart

'The University of Alabama at Birmingham, Birmingham

'Rheumatology Associates of North Alabama, Huntsville

'Hospital Aranda de la Parra, León

'Clinsearch, Chattanooga

'Desoto Family Medical Center, Olive Branch

'David R. Mandel M.D. Inc., Mayfield

'Cleveland Clinic Foundation, Cleveland

'OPD Hospital Civil de Guadalajara Dr. Juan I. Menchaca, Guadalajara

'Hospital Civil de Belem, Guadalajara

'Medica Monraz, Guadalajara

'University Hospital & Outpatient Center, Indianapolis

'Michigan Bone & Mineral Clinic, Detroit

'Mercy Arthritis and Osteoporosis Center, Des Moines

'Chaim Sheba Medical Center, Ramat Gan

'Hospital Angeles de las Lomas, Huixquilucan

'Medical College of Wisconsin, Milwaukee

'University of Wisconsin Medical Foundation, Madison

'Averna Research Institute, Sioux Falls

'Brown Clinic, Watertown

'Rapid City Medical Center, Rapid City

Michael J. Lillestol, Fargo

'Altru Health Systems / Altru Research Center, Grand Forks

'Odyssey Research Services, Bismarck

'Odyssey Research Services, Minot

Rush-Prebyterian-St.Luke's Medical Center, Chicago

'The University of Chicago, Chicago

'Hospital Universitario de Monterrey, Monterrey Nuevo Leon

'St. John's Medical Research Group, Springfield

'Wichita Clinic, Wichita

'Ochsner Clinic, New Orleans

'Oklahoma Center for Arthritis Therapy & Research, Inc., Tulsa

'Radiant Research/Dallas, Dallas

'Breco Research Inc., Houston

'Diabetes & Glandular Disease Research Associates, P.A., San Antonio

'Radiant Research San Antonio, San Antonio

'Diabetes Center of the Southwest, Midland

'Universidade Federal do Paraná, Curitiba

'Longmont Medical Research Network, Longmont

'Intermountain Orthopaedics, Boise

'Salt Lake Women's Center, Sandy City

'Soroka Medical Center, Beersheba

'Radiant Research - Phoenix North, Phoenix

'New Mexico Clinical Research and Osteoporosis Center, Albuquerque

'Lovelace Scientific Resources, Albuquerque

'Osteoporosis Medical Center, Beverly Hills

'Hadassah University Hospital, Jerusalem

'Boling Clinical Trials, Rancho Cucamonga

'S.D. Arthritis & Osteoporosis Medical Clinic, San Diego

'Radiant Research - San Diego, San Diego

'Desert Medical Advances, Palm Desert

'Loma Linda Osteoporosis Research Center, Loma Linda

'San Francisco General Hospital, San Francisco

'VA Palo Alto Health Care System, Palo Alto

'East Bay Clinical Trial Center, Concord

Foundation for Osteoporosis Research, Oakland

'Radiant Research, Honolulu

'Osteoporosis Center, Medford

'Osteoporosis Research Group, Seattle

'Scientific Center of Endocrinology of RAMS, Moscow

'Russian Academy for Advanced Medical Studies, Moscow

'Northeast Clinical Research, LLC, Hamden

'Maine Center for Osteoporosis Research & Education, Bangor

'Brigham & Women's Hospital, Boston

'Arthritis, Osteoporosis Muscle Skeletal Disease Center, Concord

'Anderson and Collins Clinical Research Inc., South Plainfield

'Rhode Island Hospital, Providence

'Roger Williams Medical Center, Providence

'Fletcher Allan Health Center, UHC Campus 1, Burlington

'IDIM, Buenos Aires

'Centro Médico T.I.E.M.P.O, Buenos Aires

'Hospital Ramos Mejía, Buenos Aires

'Centro de Osteopatias Medicas, Capital Federal

'Universidade Federal de São Paulo, São Paulo

'Instituto de Saúde e Bem Estar da Mulher, São Paulo

'Hospital Heliópolis, São Paulo

'Heritage Medical Research Clinic, Calgary

Osteoporosis Research Center, Vancouver

'Manitoba Clinic, Winnipeg

Charlton medical Centre, Hamilton

Rafat Faraawi, Kitchener

'Centre for Activity and Aging, London

St. Joseph's Health Centre, London

'Royal Victoria Hospital, Montreal

Oakville Bone Center, Oakville

Ottawa Hospital, Ottawa

'Sunnybrook and Women's College Health Science Center, Toronto

'St. Michael's Hospital, Toronto

'Osteoporosis Research Program, Toronto

Jude F. Rodrigues, Windsor

'Riverside Medical Centre, Charlottetown

'Complexe Hospitalier de la Sagami, Chicoutimi

'Hopital Maisonneuve-Rosemont, Montreal

'Centre de Recherche du CHUM - Hopital Saint-Luc, Montreal

Centre de recherche - CORQ, Sainte-Foy

Novabyss Research Clinic, Sherbrooke

'Saskatoon Osteoporosis Centre, Saskatoon

'Lis Maternity Hospital, Tel Aviv

'Instituto Mexicano de Investigacion Clinica, Mexico City