aditi maitra department of clinical and experimental pharmacology, calcutta school of tropical medicine, kolkata, india; shashwat bhattacharyya department of ophthalmology, calcutta national medical college, kolkata, india sabyasachi paik department of clinical and experimental pharmacology, calcutta school of tropical medicine, kolkata, india; prerna pathak department of dermatology and venereology, calcutta school of tropical medicine, kolkata, india santanu kumar tripathi department of clinical and experimental pharmacology, calcutta school of tropical medicine, kolkata, india;

zohra chadly department of pharmacology, university hospital, monastir, tunisia. karim aouam department of pharmacology, university hospital, monastir, tunisia. amel chaabane department of pharmacology, university hospital, monastir, tunisia. hichem belhadjali department of dermatology, university hospital, monastir, tunisia. naceur abderrazzak boughattas department of pharmacology, university hospital, monastir, tunisia. jamel eddine zili department of dermatology, university hospital, monastir, tunisia.

A J Kanwar S Dhar S Ghosh S Kaur