What we recommend now: <a href=https://docs.google.com/document/d/1hpsecff2d4no7isav0s8xoq2_nklzvlln6ifjb4aa_u/edit?usp=sharing>https://docs.google.com/document/d/1hpsecff2d4no7isav0s8xoq2_nklzvlln6ifjb4aa_u/edit?usp=sharing</a>