| article html file updated | 9 February 2020 02:34 CET | Update | https://www.mdpi.com/2571-5135/7/1/2 |
| article html file updated | 29 September 2019 19:21 CEST | Update | N/A |
| article html file updated | 2 May 2019 03:16 CEST | Update | N/A |
| article html file updated | 18 April 2019 01:25 CEST | Update | N/A |
| article html file updated | 28 March 2019 14:25 CET | Update | N/A |
| article html file updated | 10 January 2018 14:19 CET | Original file | N/A |
| article xml uploaded. | 10 January 2018 14:18 CET | Update | https://www.mdpi.com/2571-5135/7/1/2/xml |
| article xml uploaded. | 10 January 2018 14:18 CET | Original file | N/A |
| article pdf uploaded. | 10 January 2018 14:18 CET | Version of Record | https://www.mdpi.com/2571-5135/7/1/2/pdf |
