Authors contributions:
Dr.Shivaji Kraki had taken history and performed physical examinations. Dr.Sushil Pokhrel and Dr. Nawin Ghimire were involved in the management of the patient. Dr. Shivaji Karki , Ms. Karuna Khadka, and Dr. Sushil Pokhrel were involved in writing, editing and revision of the manuscript. All authors have read and approved the final version of the manuscript.