| article html file updated | 9 February 2020 10:13 CET | Update | https://www.mdpi.com/1996-1073/11/3/680 |
| article html file updated | 1 October 2019 17:24 CEST | Update | - |
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| article xml uploaded. | 17 March 2018 10:33 CET | Update | https://www.mdpi.com/1996-1073/11/3/680/xml |
| article pdf uploaded. | 17 March 2018 10:33 CET | Version of Record | https://www.mdpi.com/1996-1073/11/3/680/pdf |