Dear GP members,

I have tried to incorporate comments from Meikal, Bill and Denis, and I encountered a problem.  I am asking Meikal to help me with this as I have some comment from him, which is later responded by Denis, and I do not know what to put in the final version. The link of the response is

https://docs.google.com/document/d/1MHSRol829bhBdxBXpdmYe0uxm-NwJ-EQb3gbOGIFDsA/edit#

Regards Mirjana