| article html file updated | 9 February 2020 03:14 CET | Update | https://www.mdpi.com/2313-433X/4/1/20 |
| article html file updated | 29 September 2019 23:01 CEST | Update | - |
| article html file updated | 2 May 2019 01:55 CEST | Update | - |
| article html file updated | 18 April 2019 00:12 CEST | Update | - |
| article html file updated | 28 March 2019 15:57 CET | Update | - |
| article html file updated | 2 February 2018 09:16 CET | Update | - |
| article html file updated | 18 January 2018 04:30 CET | Update | - |
| article xml uploaded. | 18 January 2018 04:28 CET | Update | https://www.mdpi.com/2313-433X/4/1/20/xml |
| article xml uploaded. | 18 January 2018 04:28 CET | Update | - |
| article xml uploaded. | 18 January 2018 04:28 CET | Update | - |
| article pdf uploaded. | 18 January 2018 04:28 CET | Updated version of record | https://www.mdpi.com/2313-433X/4/1/20/pdf |
| article html file updated | 16 January 2018 10:02 CET | Original file | - |
| article xml uploaded. | 16 January 2018 10:01 CET | Update | - |
| article xml uploaded. | 16 January 2018 10:01 CET | Original file | - |
| article pdf uploaded. | 16 January 2018 10:01 CET | Version of Record | https://www.mdpi.com/2313-433X/4/1/20/pdf-vor |
