| article html file updated | 29 August 2025 22:42 CEST | Update | https://www.mdpi.com/1996-1944/9/2/99 |
| article html file updated | 16 July 2022 01:45 CEST | Update | N/A |
| article html file updated | 7 February 2020 04:28 CET | Update | N/A |
| article html file updated | 6 May 2019 00:34 CEST | Update | N/A |
| article html file updated | 26 March 2019 20:31 CET | Original file | N/A |
| article pdf uploaded. | 16 February 2016 09:34 CET | Updated version of record | https://www.mdpi.com/1996-1944/9/2/99/pdf |
| article xml uploaded. | 16 February 2016 09:34 CET | Original file | https://www.mdpi.com/1996-1944/9/2/99/xml |
| article pdf uploaded. | 6 February 2016 12:36 CET | Version of Record | https://www.mdpi.com/1996-1944/9/2/99/pdf-vor |
