1 Department of Plastic, Reconstructive, Aesthetic, and Hand Surgery, Basel University Hospital, Spitalstrasse 21, 4031, Basel, Switzerland. carlo.oranges@usb.ch.
2 Department of Plastic, Reconstructive, Aesthetic, and Hand Surgery, Basel University Hospital, Spitalstrasse 21, 4031, Basel, Switzerland.
3 Department of Plastic and Reconstructive Surgery, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China.