Table 1.

Root mean squared error and ΔAIC for each model

	RMSE	ΔAIC
K = 1 + s* Ve	2.0
K fit to 6 individual Ve	1.9	7
K fit to 6 individual Vi	3.5	51.7
K = 0.74	3.6	43.0
K = 1.0	8.1	101.1