Tamang, Tshering
Wangchuk, Tashi
Zangmo, Choning
Wangmo, Tshering
Tshomo, Karma
Article History
Received: 20 April 2021
Accepted: 29 August 2021
First Online: 18 September 2021
Declarations
:
: We confirm that, this research project has abided the rules and regulation of Research Ethics Board of Bhutan, Ministry of Health. This retrospective study has been performed in accordance with the Declaration of Helsinki<b>.</b> Protocol approval (Ref.No.REBH/Approval/2021/041) has been obtained prior conduct of this study. The requirement for informed consent from the participants in this study has been waived by the Research Ethics Board of Bhutan, Ministry of Health. Protocol approval letter is submitted for kind reference.
: The requirement for informed consent from the participants in this study has been waived by the Research Ethics Board of Bhutan, Ministry of Health.
: The authors declare there is no competing interest financially or non-financially.