POD

Held 12-14 March 2012, Las Vegas, Nevada, USA.

Held 4-6 March 2013, Honolulu, Hawaii, USA.

Held 24-26 March 2014, Las Vegas, Nevada, USA.

Held 9-11 March 2015, Honolulu, Hawaii, USA.

Held 4-6 April 2016, Las Vegas, Nevada, USA.

Held 20-22 March 2017, Honolulu, Hawaii, USA.

Held 22-23 December 2022, Bangalore, India. Advances in Health Sciences Research Volume 58

Held 4-5 September 2015, Qingdao, China. Advances in Engineering Research Volume 25

Held 4-6 March 2016, Allahabad, India.

Held 26-28 October 2018, Allahabad, India.

Held 15-17 January 2018, Yokohama, Japan.

Held 14-16 January 2019, Wuhan, China.