| Authors' roles & responsibilities | |
|---|---|
| KS | Main author, drafting of the paper |
| LG | Data collection, drafting of the paper |
| HCW | Data collection, drafting of the paper |
| TS | Data collection, statistical analysis |
| WE | Co-author, drafting of the paper, data collection |
| BG | Senior author |
Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.