From the Department of Surgery, Leiden University Medical Center; the Department of Research, Dutch Institute for Clinical Auditing; the Department of Epidemiology and Preventive Medicine, Monash University; the Medicines and Healthcare Products Regulatory Agency; Westmead Breast Cancer Institute, University of Sydney; Breast Surgeons of Australia and New Zealand; the Division of Plastic, Aesthetic, and Reconstructive Surgery, Department of Surgery, Medical University of Graz; the Division of Epidemiology, Center for Devices and Radiological Health, U.S. Food and Drug Administration; the Australian Centre for Cosmetic Surgery; the Australasian College of Cosmetic Surgery; the Department of Plastic and Reconstructive Surgery, Erasmus MC Cancer Institute, University Medical Center Rotterdam; the Department of Plastic and Reconstructive Surgery, Nottingham University Hospitals NHS Trust; the Department of Plastic and Reconstructive Surgery, Brigham Health; the Department for Molecular Medicine and Surgery, Karolinska Institute; the Department of Plastic and Reconstructive Surgery, Hand Surgery, Helios-Clinic Emil-von-Behring; the Department of Plastic Surgery, St. George's Hospital; the Australian Society of Plastic Surgeons; and the Department of Plastic, Reconstructive, and Hand Surgery, Medisch Spectrum Twente.