1 Department of Medicine-Neurology Unit (RN), Infectious Diseases (AB) and Department of Microbiology and Immunology (ZAM), College of Medicine and Health Sciences, P.O. Box. 35, SQU, Al-Khod Zip 123, Muscat, Oman. drrnandagopal@gmail.com.
2 Department of Medicine-Neurology Unit (RN), Infectious Diseases (AB) and Department of Microbiology and Immunology (ZAM), College of Medicine and Health Sciences, P.O. Box. 35, SQU, Al-Khod Zip 123, Muscat, Oman.