"...is evident from the slippage in the timelines of the non-ATryn programs and the fact that GTC has not paid its 50% share of the modest development expenses in the LFB joint venture." [Dew]
FWIW, I don't like that we had to assume that given the lack of an explicitly-stated link -- or that in the absence of such a statement, have to continue wondering what else might be contributing in some significant way to the delays.