LinkedIn ------------Siyuan Yin requested to add you as a connection on LinkedIn: ------------------------------------------ Cristina, I'd like to add you to my professional network on LinkedIn. - Siyuan Accept invitation from Siyuan Yin http://www.linkedin.com/e/-xdbcsw-gdzh578b-1p/YtWwTimNwHQ3MlNSWtgG6tiAwDFl0w... View invitation from Siyuan Yin http://www.linkedin.com/e/-xdbcsw-gdzh578b-1p/YtWwTimNwHQ3MlNSWtgG6tiAwDFl0w... -- (c) 2010, LinkedIn Corporation