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Question 1
1
What is the length of your study?
Key
A
6 months or less
Key
B
6 months to 2 years
Key
C
2 years or more
Question 2
2
What is the number of sites in your study? (approximately)
Key
A
Fewer than 10 sites
Key
B
10 to 60 sites
Key
C
More than 60 sites