American Association of Clinical Endocrinologists [ http://www.aace.com/ ]
Offers a medical professional community of clinical endocrinologists committed to enhancing its members' ability to provide the highest quality of care.

International Spinal Cord Society (ISCoS) [ http://www.iscos.org.uk/ ]
Promotes the highest standard of care in the practice of spinal cord injury for men, women and children throughout the world.