Talk about: https://www.bmj.com/content/371/bmj.m4234 https://onlinelibrary.wiley.com/doi/abs/10.1111/jep.12016

Explain how the new version is different and better than the original for each of the two assignments​‌‍‍‍‌‍‍‌‍‌‌‍‍‍‌‍‌‌‌‍​.