| article html file updated | 11 February 2020 20:06 CET | Update | https://www.mdpi.com/2410-390X/3/1/20 |
| article html file updated | 16 October 2019 01:45 CEST | Update | - |
| article html file updated | 26 April 2019 07:46 CEST | Update | - |
| article html file updated | 12 April 2019 03:17 CEST | Update | - |
| article html file updated | 4 April 2019 07:30 CEST | Update | - |
| article html file updated | 5 March 2019 11:14 CET | Original file | - |
| article pdf uploaded. | 5 March 2019 11:13 CET | Version of Record | https://www.mdpi.com/2410-390X/3/1/20/pdf |
| article xml uploaded. | 5 March 2019 11:13 CET | Update | https://www.mdpi.com/2410-390X/3/1/20/xml |
| article xml file uploaded | 5 March 2019 11:13 CET | Original file | - |
