This application is licensed under the MIT open source license with a citation 
requirement.

Copyright (c) 2018  Philipp Chapkovski.

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.

The licensee undertakes to mention the names of the licensors (Philipp Chapkovski
& Christian Zihlmann) and to cite the following article in all publications in 
which results of experiments conducted with the Software are published: 

Chapkovski, P., & Zihlmann, C. (2019). Introducing otree_tools: 
A powerful package to provide process data for attention, multitasking behavior
and effort through tracking focus. Journal of Behavioral and Experimental
Finance, forthcoming.