I have two questions regarding the longitudinal stream:

- I am including Baseline and 12 months follow-up in my study. However, I also have 6 months follow-up. I wonder if it is conceptually right to include these 6 months scans in template creation with the idea of increasing registration.

- I am applying the -mprage flag in the crossectional first step. Should I use it in the -base and -longs steps too?

Thanks very much

Daniel Ferreira