| article html file updated | 16 July 2022 07:01 CEST | Update | https://www.mdpi.com/2071-1050/9/11/1940 |
| article html file updated | 8 February 2020 19:26 CET | Update | - |
| article html file updated | 28 September 2019 00:11 CEST | Update | - |
| article html file updated | 2 May 2019 19:01 CEST | Update | - |
| article html file updated | 30 November 2017 13:47 CET | Update | - |
| article html file updated | 26 October 2017 12:23 CEST | Original file | - |
| article xml uploaded. | 26 October 2017 12:21 CEST | Update | https://www.mdpi.com/2071-1050/9/11/1940/xml |
| article xml uploaded. | 26 October 2017 12:21 CEST | Original file | - |
| article pdf uploaded. | 26 October 2017 12:21 CEST | Updated version of record | https://www.mdpi.com/2071-1050/9/11/1940/pdf |
| article pdf uploaded. | 25 October 2017 13:04 CEST | Version of Record | https://www.mdpi.com/2071-1050/9/11/1940/pdf-vor |
