The authors would like to thank the following people for their help and
assistance:

  Sören Künzel <soeren.kuenzel@googlemail.com>
  Olivia Koshy <okoshy@berkeley.edu>
  Ben Goodrich <goodrich@fas.harvard.edu>
  Erin Hartman <ekhartman@berkeley.edu>
  Todd Rice <rice.toddm@gmail.com>
  Jonathan Wand <wand@stanford.edu>
