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According to all news reports, unknown at this time.

The death of Dave Goldberg, CEO of SurveyMonkey and husband of Facebook COO Sheryl Sandberg, was caused by severe head trauma and blood loss after he slipped and fell off a treadmill, Mexican authorities said today.

"Today" being May 5, 2015

And now as a result of this new partnership we get MTC function Mars Time Coordinated via the ESA-tested and brand-new caliber 5622. This is an update of purpose and an update that will be put to legitimate use. I can't help link but find that interesting. What's cooler is that you don't have to be in space to use this. On the contrary it would be just as capable in mission link control link working on unmanned Mars missions. You have to time that day somehow.