8/13/2019 Atkinson Article

1/27

http://www.annualreviews.org/aronline

8/13/2019 Atkinson Article

2/27

http://www.annualreviews.org/aronline

8/13/2019 Atkinson Article

3/27

http://www.annualreviews.org/aronline

8/13/2019 Atkinson Article

4/27

http://www.annualreviews.org/aronline

8/13/2019 Atkinson Article

5/27

http://www.annualreviews.org/aronline

8/13/2019 Atkinson Article

6/27

http://www.annualreviews.org/aronline

8/13/2019 Atkinson Article

7/27

http://www.annualreviews.org/aronline

8/13/2019 Atkinson Article

8/27

http://www.annualreviews.org/aronline

8/13/2019 Atkinson Article

9/27

http://www.annualreviews.org/aronline

8/13/2019 Atkinson Article

10/27

http://www.annualreviews.org/aronline

8/13/2019 Atkinson Article

11/27

http://www.annualreviews.org/aronline

8/13/2019 Atkinson Article

12/27

http://www.annualreviews.org/aronline

8/13/2019 Atkinson Article

13/27

http://www.annualreviews.org/aronline

8/13/2019 Atkinson Article

14/27

http://www.annualreviews.org/aronline

8/13/2019 Atkinson Article

15/27

http://www.annualreviews.org/aronline

8/13/2019 Atkinson Article

16/27

http://www.annualreviews.org/aronline

8/13/2019 Atkinson Article

17/27

http://www.annualreviews.org/aronline

8/13/2019 Atkinson Article

18/27

http://www.annualreviews.org/aronline

8/13/2019 Atkinson Article

19/27

http://www.annualreviews.org/aronline

8/13/2019 Atkinson Article

20/27

http://www.annualreviews.org/aronline

8/13/2019 Atkinson Article

21/27

http://www.annualreviews.org/aronline

8/13/2019 Atkinson Article

22/27

8/13/2019 Atkinson Article

23/27

http://www.annualreviews.org/aronline

8/13/2019 Atkinson Article

24/27

http://www.annualreviews.org/aronline

8/13/2019 Atkinson Article

25/27

http://www.annualreviews.org/aronline

8/13/2019 Atkinson Article

26/27

8/13/2019 Atkinson Article

27/27