Acknowledgement
We wish to credit the photographers of the figures:
| Figure | Artists | Title | Download | Link | License |
| front | hands | volunteer | 01/12/20 | Pixabay | cc |
| front | AlLes | niekverlaan | 01/12/20 | Pixabay | cc |
| 1a | Robodoc (original uploader) | Trichotillomania | 01/20/21 | https://commons.wikimedia.org/wiki/File:Trichotillomania_1.jpg | cc |
| 1b | Kairyu7 | Dermatillomania out of control. | 01/18/21 | https://commons.wikimedia.org/wiki/File:Dermatillomania2.jpg | cc |
| 1c | U3176478 | Nail biting can be both a habit and an addiction | 01/19/21 | https://commons.wikimedia.org/wiki/File:Nail_Biting..jpg | cc |
| 2a-2c | AG Neuropsychology | No title | n.a. | n.a. | cc |
| 3 | Sarah Weidinger | No title | n.a. | n.a. | cc |
| 4 | Sarah Weidinger | No title | n.a. | n.a. | cc |
| 5 | Photos compiled by Moritz for J Cosmetic Dermatol | Decoupling in sensu | n.a. | n.a. | — |
Literature
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Moritz, S., & Rufer, M. (2011). Movement decoupling: A self-help intervention for the treatment of trichotillomania. Journal of Behavior Therapy and Experimental Psychiatry, 42(1), 74–80. https://doi.org/10.1016/j.jbtep.2010.07.001
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Moritz, S., Treszl, A., & Rufer, M. (2011). A randomized controlled trial of a novel self-help technique for impulse control disorders A study on nail-biting. Behavior Modification, 35(5), 468–485. https://doi.org/10.1177/0145445511409395
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