| article html file updated | 29 August 2025 23:00 CEST | Update | https://www.mdpi.com/1420-3049/21/4/511 |
| article html file updated | 16 July 2022 02:15 CEST | Update | N/A |
| article html file updated | 7 February 2020 07:42 CET | Update | N/A |
| article html file updated | 21 September 2019 15:49 CEST | Update | N/A |
| article html file updated | 5 May 2019 17:46 CEST | Update | N/A |
| article html file updated | 27 March 2019 02:46 CET | Update | N/A |
| article html file updated | 17 September 2018 04:11 CEST | Update | N/A |
| article html file updated | 22 April 2016 14:09 CEST | Original file | N/A |
| article xml uploaded. | 22 April 2016 14:07 CEST | Update | https://www.mdpi.com/1420-3049/21/4/511/xml |
| article pdf uploaded. | 22 April 2016 14:07 CEST | Version of Record | https://www.mdpi.com/1420-3049/21/4/511/pdf |