| article html file updated | 30 August 2025 00:02 CEST | Update | https://www.mdpi.com/1420-3049/21/12/1688 |
| article html file updated | 16 July 2022 04:07 CEST | Update | N/A |
| article html file updated | 7 February 2020 19:27 CET | Update | N/A |
| article html file updated | 22 September 2019 10:34 CEST | Update | N/A |
| article html file updated | 4 May 2019 19:35 CEST | Update | N/A |
| article html file updated | 17 September 2018 13:13 CEST | Update | N/A |
| article html file updated | 27 December 2016 12:07 CET | Update | N/A |
| article html file updated | 13 December 2016 09:31 CET | Original file | N/A |
| article xml uploaded. | 13 December 2016 09:30 CET | Original file | https://www.mdpi.com/1420-3049/21/12/1688/xml |
| article pdf uploaded. | 13 December 2016 09:30 CET | Updated version of record | https://www.mdpi.com/1420-3049/21/12/1688/pdf |
| article pdf uploaded. | 11 December 2016 04:56 CET | Version of Record | https://www.mdpi.com/1420-3049/21/12/1688/pdf-vor |
