1. Plastic and Reconstructive Surgery Research, Division of Musuloskeletal and Dermatological Sciences, Centre for Dermatology Research, NIHR Manchester BRC, University of Manchester, Manchester, United Kingdom.
2. SEHA, Al Ain Hospital, Abu Dhabi Emirate, Ras al-Kaimah, United Arab Emirates.
3. Department of Medical Statistics, Manchester University NHS Foundation Trust, Manchester, United Kingdom.
4. Julphar Gulf Pharmaceutical Industries, Ras al-Kaimah, United Arab Emirates.