Singh, Amar Bahadur
Liu, Jingwen
Funding for this research was provided by:
Center for Integrated Healthcare, U.S. Department of Veterans Affairs (I01 BX001419)
Article History
Received: 11 April 2019
Accepted: 9 September 2019
First Online: 30 October 2019
Competing interests
: The authors declare no competing interests.