Elapsed time (hour)

I (g)

II (g)

III (g)

IV (g)

V (g)

Mean (SD) (g)

0

0

0

0

0

0

0

2

2

0

0

2

2

1.2 (1.0)

4

2

0

0

2

4

1.6 (1.5)

6

2

0

0

2

4

1.6 (1.5)

8

2

0

0

2

4

1.6 (1.5)