	Age	Treatment				SEM	P
	Age	HMLS	HMHS	LMLS	LMHS	SEM	M	F	M × F
Body height	Birth (cm)	76.40	77.17	75.60	75.57	0.34	0.12	0.61	0.58
	2 w (cm)	77.40	78.70	76.40	76.83	0.47	0.16	0.38	0.66
	4 w (cm)	79.37	83.03	78.73	78.27	0.58	0.05	0.21	0.11
	6 w (cm)	84.27	87.53	84.13	86.20	0.69	0.61	0.09	0.67
	8 w (cm)	89.43	90.70	88.60	89.70	0.69	0.53	0.42	0.95
	60 d (cm)	90.43	91.47	89.40	90.63	0.56	0.46	0.37	0.94
	Daily change (cm/d)	0.23	0.24	0.23	0.25	0.01	0.81	0.50	0.75
Body length	Birth (cm)	66.67	67.80	68.37	69.70	0.77	0.28	0.45	0.95
	2 wk (cm)	72.23	74.87	74.73	74.73	0.82	0.49	0.44	0.44
	4 wk (cm)	76.00	79.13	76.93	77.53	0.53	0.76	0.12	0.27
	6 wk (cm)	80.33	82.03	82.30	80.90	0.60	0.74	0.90	0.23
	8 wk (cm)	88.13	87.87	86.20	87.37	0.86	0.50	0.80	0.69
	60 d (cm)	89.03	89.23	86.97	89.23	0.60	0.43	0.35	0.43
	Daily change (cm/d)	0.37	0.36	0.31	0.33	0.01	0.08	0.99	0.53