[1] Peter Great St Petersburg Polytech Univ, Inst Adv Mfg Technol, St Petersburg, Russia
[2] Hosei Univ, Inst Comparat Econ Studies, Tokyo, Japan
[3] Univ Kragujevac, Dept Global Hlth Econ & Policy, Kragujevac, Serbia
[4] Wayamba Univ Sri Lanka, Fac Sci Appl, Dept Ind Management, Kuliyapitiya, Sri Lanka
[5] Univ Peradeniya, Fac Arts, Dept Econ & Stat, Kuliyapitiya, Sri Lanka
[6] Univ Sri Jayewardenepura, Fac Management Studies & Commerce, Dept Publ Adm, Nugegoda, Sri Lanka