| article html file updated | 10 February 2020 20:25 CET | Update | https://www.mdpi.com/2410-3888/3/4/44 |
| article html file updated | 10 October 2019 05:15 CEST | Update | - |
| article html file updated | 28 April 2019 10:28 CEST | Update | - |
| article html file updated | 14 April 2019 05:54 CEST | Update | - |
| article html file updated | 1 April 2019 18:38 CEST | Update | - |
| article html file updated | 9 November 2018 04:14 CET | Original file | - |
| article pdf uploaded. | 9 November 2018 04:13 CET | Version of Record | https://www.mdpi.com/2410-3888/3/4/44/pdf |
| article xml uploaded. | 9 November 2018 04:13 CET | Update | https://www.mdpi.com/2410-3888/3/4/44/xml |
| article xml file uploaded | 9 November 2018 04:13 CET | Original file | - |
