1 Department of Medicine, Allama Iqbal Medical College, Allama Shabbir Ahmad Usmani Road, Lahore, Punjab 54770, Pakistan. Electronic address: arsalannadeemh@gmail.com.
2 Shaheed Mohtarma Benazir Bhutto Medical College Liyari, Karachi, Pakistan. Electronic address: kewlanisatish@gmail.com.