Received: 16 May 2019
Accepted: 8 June 2019
First Online: 17 June 2019
Ethics approval and consent to participate
: As this manuscript is a review article and all data reviewed or analysed in this review article were extracted from 18 selected studies (5 published manuscripts and 13 abstracts) available in the public domain as mentioned in ‘References’ section of the manuscript, this review article does not require ethics approval and consent to participate.
: Not applicable.
: The authors declare that they have no competing interests with respect to the research, authorship, and/or publication of this review. DP is an employee of Zydus Discovery DMCC, Dubai, UAE. AJ is an employee of Zydus Healthcare Limited, Mumbai, India. MK, MS, KP, and KPP are employees of Zydus Research Centre, Cadila Healthcare Limited, Ahmedabad, India.