| article html file updated | 9 February 2020 18:52 CET | Update | https://www.mdpi.com/2313-433X/4/6/73 |
| article html file updated | 30 April 2019 17:02 CEST | Update | - |
| article html file updated | 16 April 2019 17:29 CEST | Update | - |
| article html file updated | 30 March 2019 04:13 CET | Update | - |
| article html file updated | 26 June 2018 05:03 CEST | Update | - |
| article html file updated | 24 May 2018 11:33 CEST | Original file | - |
| article pdf uploaded. | 24 May 2018 11:31 CEST | Version of Record | https://www.mdpi.com/2313-433X/4/6/73/pdf |
| article xml uploaded. | 24 May 2018 11:31 CEST | Update | https://www.mdpi.com/2313-433X/4/6/73/xml |
| article xml file uploaded | 24 May 2018 11:31 CEST | Original file | - |
