| article html file updated | 10 February 2020 20:36 CET | Update | https://www.mdpi.com/2413-8851/2/4/107 |
| article html file updated | 28 April 2019 10:01 CEST | Update | - |
| article html file updated | 14 April 2019 05:30 CEST | Update | - |
| article html file updated | 1 April 2019 19:07 CEST | Update | - |
| article html file updated | 9 November 2018 15:40 CET | Original file | - |
| article pdf uploaded. | 9 November 2018 15:38 CET | Version of Record | https://www.mdpi.com/2413-8851/2/4/107/pdf |
| article xml uploaded. | 9 November 2018 15:38 CET | Update | https://www.mdpi.com/2413-8851/2/4/107/xml |
| article xml file uploaded | 9 November 2018 15:38 CET | Original file | - |
