| article html file updated | 8 May 2020 19:33 CEST | Update | https://www.mdpi.com/2077-1444/11/4/157 |
| article html file updated | 28 March 2020 02:51 CET | Original file | N/A |
| article pdf uploaded. | 28 March 2020 02:50 CET | Version of Record | https://www.mdpi.com/2077-1444/11/4/157/pdf |
| article xml uploaded. | 28 March 2020 02:50 CET | Update | https://www.mdpi.com/2077-1444/11/4/157/xml |
| article xml file uploaded | 28 March 2020 02:50 CET | Original file | N/A |
