1. Pharmaceutical Technology Unit, Department of Medical Applications of Lasers, National Institute of Laser Enhanced Sciences, Cairo University, Cairo, Egypt,
2. Photobiology and Photosensitization Lab, Cairo University, Cairo, Egypt,
3. Department of Pharmaceutics and Industrial Pharmacy, Faculty of Pharmacy, Ain Shams University, Cairo, Egypt, and
4. Dermatology Department, Tabuk University, Tabuk, Kingdom of Saudi Arabia