American Academy of Anti-Aging

American Academy of Orthopedic Surgeons

American Academy of Pediatrics

American Alliance for Health, Physical Education Recreation and Dance (AAHPERD)

American Association of Retired Persons

American Association of School Administrators

Amateur Athletic Union

American Cancer Society

American Chiropratic Association

American College of Sports Medicine

American Council on Exercise

American Diabetes Association

American Dietetic Association

American Heart Association

American Kinesiotherapy Association

American Medical Association

American Orthopedic Society for Sports Medicine

American Physical Therapy Association

American Psychological Association

American Public Health Association

American Running Association

American Sports Data, Inc.

Aquatic Exercise Association

Arthritis Foundation

Association for Supervision & Curriculum Development

Association for Worksite Health Promotion

Behavior, Motivation and Self-Control Self-Help

Boys and Girls Clubs of America

Boy Scouts of America

Cancer Prevention Research Center

Center for the Advancement of Health

Club (Fitness) Industry

Cool Running.com

Cooper Institute for Aerobics Research

Fitness Management Magazine

Girl Scouts of America

Health Clubs.com

Health On the Net Foundation

Health Savvy

HealthWeb (network of medical libraries)

Human Kinetics - the information leader in physical activity

IDEA,The Fitness Source

Intelihealth (Aetna U.S. Healthcare)

International Food Information Center

International Health, Racquet & Sportsclub Assoc. (IHRSA)

International Sports Sciences Association

Kinesiology - Health Sciences Link

Ladies Professional Golf Association

Merck Manuals (Merck & Co.)

National Association for Health and Fitness

National Association of Elementary School Principals

National Association of Secondary School Principals

National Athletic Trainers´ Association (NATA)

National Basketball Association (NBA)

National Catholic Education Association

National Center on Physical Activity and Disability

National Coalition for Promoting Physical Activity

National Education Association

National Fitness Therapy Association (NFTA)

National Football League (NFL)

National Osteoporosis Foundation (NOF)

National Parents/Teachers Association

National Middle Schools Association

National Recreation & Parks Assoc. (NRPA)

National Sporting Goods Association (NSGA)

National Strength & Conditioning Association (NSCA)

NOAH: New York Online Access to Health (New York Academy of Medicine)

Nutrition Analysis Tool (University of Illinois, Urbana-Champaign

Professional Golf Association

Project ACES (All Children Exercise Simultaneously)

Real Age

Road Runners Club of America

Shape Up America

**Sportslink.org

Sporting Goods Manufacturers Association (SGMA)

United States Olympic Committee (USOC)

USA Hockey, Inc.

Virtual Sports Injury Clinic

Wellness Councils of America

Women's National Basketball Association (WNBA)

Women's Sports Foundation

World Health Organization (WHO)

YMCA of the USA

YWCA of the USA

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