title: Invited commentary.
authors.affiliation: Hospital of the University of Pennsylvania, Department of Orthopaedic Surgery, Philadelphia, PA, USA.
authors.forename: L Scott
authors.initials: LS
authors.lastname: Levin
mesh_terms: D062109:Dermatologic Surgical Procedures; D006801:Humans; D019651:Plastic Surgery Procedures; D013524:Surgical Flaps; D015626:Tissue Expansion / Q000379:methods*; D014143:Traction; D016896:Treatment Outcome; D014945:Wound Healing