The following are links to Internet resources on the subject.
The Canadian Society of Plastic Surgeons
Canadian Dermatology Association
American Academy of Cosmetic Surgery (AACS)
American Academy of Facial Plastic and Reconstructive Surgery (AAFPRS)
The American Society for Aesthetic Plastic Surgery (ASAPS)
The American Society of Plastic Surgeons (ASPS)
The American Academy of Dermatology