Camody-Johnson Patricia MD, 1015 Chestnut St, Philadelphia, PA 19107, United States of America

Brattelli Gary J DO, 532 Berlin - Cross Keys Rd, Sicklerville, NJ 08081, United States of America

Dr. William P. Block, DO, 435 Hurffville - Cross Keys Rd, Sewell, NJ 08080, United States of America

Dr. Gunn Peng Seok @ Gan Peng Seok, GPS Eye Specialist Centre, No. 5, Precinct 2, Medan Sunway Wellesley 1, 5, Medan Sunway Wellesley 1, Sunway Wellesley, 14000 Bukit Mertajam, Penang, Malaysia

Dr Naharuddin Mohamad Saifi, KPJ Penang Specialist Hospital, No. 570, Jalan Perda Utama, Bandar Perda, Pulau Pinang, 14000 Bukit Mertajam, Malaysia

Dr Chan Tah Perng, KPJ Penang Specialist Hospital, No. 570, Jalan Perda Utama, Bandar Perda, Pulau Pinang, 14000 Bukit Mertajam, Malaysia

Dr Sarbjit Singh, KPJ Penang Specialist Hospital, No. 570, Jalan Perda Utama, Bandar Perda, Pulau Pinang, 14000 Bukit Mertajam, Malaysia

GPS Eye Specialist Centre, 5, Medan Sunway Wellesley 1, 14000 Bukit Mertajam, Penang, Malaysia