This definition got 10 hits on 22.10.2011 and is thus unlikely to be in active use.
Medical » British Medicine
mental health performance assessment framework
MHOR - MHOTY - MHOW - MHP - MHPA - MHPC - MHPCC - MHPCO - MHPE - MHPF
"MHPAF." Abbreviations.com. STANDS4 LLC, 2015. Web. 30 May 2015. <http://www.abbreviations.com/MHPAF>.