Received: 30 January 2020
Accepted: 3 May 2020
First Online: 18 May 2020
Ethics approval and consent to participate
: The study protocol was approved (approval number 263/DLS/HG) by Human Institutional Ethics Committee (IEC) of Punjabi University, Patiala, and was performed in accordance with the Declaration of Helsinki and the code of Good Clinical Practice. All patients provided written informed consent to participate after a full explanation of the study.
: Not applicable
: The authors declare that they have no competing interests.