| article html file updated | 9 February 2020 16:34 CET | Update | https://www.mdpi.com/2305-7084/2/2/20 |
| article html file updated | 3 October 2019 07:32 CEST | Update | N/A |
| article html file updated | 30 April 2019 22:02 CEST | Update | N/A |
| article html file updated | 16 April 2019 22:31 CEST | Update | N/A |
| article html file updated | 29 March 2019 22:19 CET | Update | N/A |
| article html file updated | 7 May 2018 03:25 CEST | Original file | N/A |
| article pdf uploaded. | 7 May 2018 03:24 CEST | Version of Record | https://www.mdpi.com/2305-7084/2/2/20/pdf |
| article xml uploaded. | 7 May 2018 03:24 CEST | Update | https://www.mdpi.com/2305-7084/2/2/20/xml |
| article xml file uploaded | 7 May 2018 03:24 CEST | Original file | N/A |