Author contributions
K Beri has full access to all of the data in the article and takes responsibility for the integrity of the data and the accuracy of the data analysis. Study concept and design: K Beri. Acquisition, analysis and interpretation of data: K Beri. Drafting of the manuscript: K Beri. Critical revision of the manuscript for important intellectual content: K Beri, SS Milgraum. Obtained funding: None.
Financial & competing interests disclosure
The authors have no relevant affiliations or financial involvement with any organization or entity with a financial interest in or financial conflict with the subject matter or materials discussed in the manuscript. This includes employment, consultancies, honoraria, stock ownership or options, expert testimony, grants or patents received or pending, or royalties.
No writing assistance was utilized in the production of this manuscript.