EXHIBIT A
Joint Filing Statement
We, the undersigned, hereby express our agreement that the attached Schedule 13G is filed on behalf of each of us.
Date: February 13, 2015
INTERWEST PARTNERS VII, LP | ||||||||||
By: | /s/ Harvey B. Cash | By: | InterWest Management Partners VII, LLC | |||||||
Name: | Harvey B. Cash | its General Partner | ||||||||
By: | /s/ Philip T. Gianos | By: | /s/ W. Stephen Holmes | |||||||
Name: | Philip T. Gianos | Managing Director | ||||||||
INTERWEST INVESTORS VII, LP | ||||||||||
By: | /s/ W. Stephen Holmes | |||||||||
Name: | W. Stephen Holmes III | |||||||||
By: | InterWest Management Partners VII, LLC its General Partner | |||||||||
By: | /s/ Gilbert H. Kliman | |||||||||
Name: | Gilbert H. Kliman | By: | /s/ W. Stephen Holmes | |||||||
Managing Director | ||||||||||
By: | /s/ Arnold L. Oronsky | |||||||||
Name: | Arnold L. Oronsky | |||||||||
INTERWEST MANAGEMENT PARTNERS VII, LLC | ||||||||||
By: | /s/ Nina S. Kjellson | By: | /s/ W. Stephen Holmes | |||||||
Name: | Nina S. Kjellson | Managing Director |
Page 15 of 15 Pages