CO [Chinard Bloodrp] SC 13D/A: April 26, 2012 To:R China Healthcare Investment Limited
[April 26, 2012 To:R China Healthcare Investment Limited c/oRia Limited Dear Sirs, Re: Lock-Upreementted April 12, 2012 Lock-Upreement We refer to the Lock-Upreementted April 12, 2012 (the mutatis mutandis The provisions of Sections 5, 6 and 7 of the Lock-Upreement are herebyorporated by reference into this letter and will apply]