| article html file updated | 8 February 2020 18:26 CET | Update | https://www.mdpi.com/2313-433X/3/4/46 |
| article html file updated | 27 September 2019 18:18 CEST | Update | - |
| article html file updated | 2 May 2019 21:20 CEST | Update | - |
| article html file updated | 6 February 2018 10:45 CET | Update | - |
| article html file updated | 13 October 2017 14:43 CEST | Original file | - |
| article xml uploaded. | 13 October 2017 14:42 CEST | Update | https://www.mdpi.com/2313-433X/3/4/46/xml |
| article xml uploaded. | 13 October 2017 14:42 CEST | Original file | - |
| article pdf uploaded. | 13 October 2017 14:42 CEST | Version of Record | https://www.mdpi.com/2313-433X/3/4/46/pdf |
