New Open Access agreement with PeerJ

The fee for so-called "Enhanced Publication Plan" for MPG authors will be adopted by the MPG after a PeerJ article has been accepted. This agreement allows a lifelong publishing of two articles each year. Further information can be found via this links:

https://peerj.com/about/FAQ/
https://peerj.com/pricing/
https://peerj.com/pricing/institutions/