1. Department of Plastic and Reconstructive Surgery, Hanoi Medical University, Hanoi, Vietnam
2. Department of Plastic Reconstructive and Aesthetic Surgery, University of Medicine and Pharmacy, Hanoi National University, Hanoi, Vietnam
3. Department of Plastic Reconstructive and Aesthetic Surgery, Bach Mai Hospital, Hanoi, Vietnam
4. Department of Surgery, University of Medicine and Pharmacy, Hue University, Thua Thien Hue, Vietnam
5. Department of Plastic Reconstructive and Aesthetic Surgery, E Hospital, Hanoi, Vietnam
6. Department of Plastic Reconstructive and Aesthetic Surgery, Thai Nguyen Central Hospital, Thai Nguyen, Vietnam