Dynamic properties of successful smiles

• Nathaniel E. Helwig ,

  * E-mail: helwig@umn.edu (NEH); sjguy@cs.umn.edu (SJG); lyfor009@umn.edu (SL-P)

  Affiliations Department of Psychology, University of Minnesota, Minneapolis, MN, United States of America, School of Statistics, University of Minnesota, Minneapolis, MN, United States of America

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• Nick E. Sohre,

  Affiliation Department of Computer Science & Engineering, University of Minnesota, Minneapolis, MN, United States of America

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• Mark R. Ruprecht,

  Affiliation School of Statistics, University of Minnesota, Minneapolis, MN, United States of America

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• Stephen J. Guy ,

  * E-mail: helwig@umn.edu (NEH); sjguy@cs.umn.edu (SJG); lyfor009@umn.edu (SL-P)

  Affiliation Department of Computer Science & Engineering, University of Minnesota, Minneapolis, MN, United States of America

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• Sofía Lyford-Pike

  * E-mail: helwig@umn.edu (NEH); sjguy@cs.umn.edu (SJG); lyfor009@umn.edu (SL-P)

  Affiliation Department of Otolaryngology-Head and Neck Surgery, University of Minnesota, Minneapolis, MN, United States of America

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