Changes

- http://onlinelibrary.wiley.com/doi/10.1002/jib.381/full

- http://www.asbcnet.org/publications/journal/vol/2017/Pages/ASBCJ-2017-2532-01.aspx

Conditioning pitch rate/starter: https://www.facebook.com/groups/MilkTheFunk/permalink/1334877803207097/?comment_id=1334935473201330&reply_comment_id=1334967756531435&comment_tracking=%7B%22tn%22%3A%22R9%22%7D