| article html file updated | 11 February 2020 21:57 CET | Update | https://www.mdpi.com/2571-9408/2/1/56 |
| article html file updated | 26 April 2019 03:47 CEST | Update | N/A |
| article html file updated | 11 April 2019 22:51 CEST | Update | N/A |
| article html file updated | 4 April 2019 12:36 CEST | Update | N/A |
| article html file updated | 13 March 2019 11:30 CET | Original file | N/A |
| article pdf uploaded. | 13 March 2019 11:29 CET | Version of Record | https://www.mdpi.com/2571-9408/2/1/56/pdf |
| article xml uploaded. | 13 March 2019 11:29 CET | Update | https://www.mdpi.com/2571-9408/2/1/56/xml |
| article xml file uploaded | 13 March 2019 11:29 CET | Original file | N/A |