Most frequently mentioned twitter users in tweets containing one of: "mhealth" between May 1, 2013, 4:19 p.m. and May 15, 2013, 4:19 p.m.

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  • 494 mentions between May 1, 2013, 4:19 p.m.
  • and the end of the race at May 15, 2013, 4:19 p.m.