| article html file updated | 12 February 2020 02:54 CET | Update | https://www.mdpi.com/2077-0375/9/4/48 |
| article html file updated | 17 October 2019 17:39 CEST | Update | - |
| article html file updated | 8 May 2019 17:53 CEST | Update | - |
| article html file updated | 25 April 2019 17:07 CEST | Update | - |
| article html file updated | 17 April 2019 14:13 CEST | Original file | - |
| article pdf uploaded. | 17 April 2019 14:12 CEST | Updated version of record | https://www.mdpi.com/2077-0375/9/4/48/pdf |
| article xml uploaded. | 17 April 2019 14:12 CEST | Update | https://www.mdpi.com/2077-0375/9/4/48/xml |
| article xml file uploaded | 17 April 2019 14:12 CEST | Update | - |
| article pdf uploaded. | 3 April 2019 16:22 CEST | Version of Record | https://www.mdpi.com/2077-0375/9/4/48/pdf-vor |
| article xml file uploaded | 3 April 2019 16:22 CEST | Original file | - |
