NEWTON, Mass.--(BUSINESS WIRE)--Senior Housing Properties Trust (NYSE: SNH) today announced that it will issue a press release containing its second quarter 2015 financial results before the NYSE opens on Thursday, August 6, 2015. Later that afternoon, at 1:00 p.m. Eastern Time, President and Chief Operating Officer David Hegarty and Chief Financial Officer Richard Doyle will host a conference call to discuss these results. The conference call telephone number is (877) 329-4297. Participants ca