Statement on Patient Safety During Gluteal Fat Grafting Endorsed by the International Society for Aesthetic Plastic Surgery (ISAPS), American Society of Plastic Surgeons (ASPS), the Aesthetic Society, the Plastic Surgery Foundation (PSF), the Aesthetic Surgery Education and Research Foundation (ASERF), the International Society of Plastic Regenerative Surgeons (ISPRES), the International Federation for Adipose Therapeutics and Science (IFATS) and.