Study of Medication Prescribed and Appropriateness of Antimicrobials in Hospitalized Respiratory Tract Infectious Children in Tertiary Care Teaching Hospital, Western Nepal Sudarshan Raj Dhakal1*, Bijay Kafle2, Bishal Udas3, Pabitra Duwadi3, Rinky Palikhe4, Ram Poudel4, Kadir Alam5 and Gulam Muhammad Khan6