| article html file updated | 30 August 2025 01:23 CEST | Update | https://www.mdpi.com/2075-4426/7/4/12 |
| article html file updated | 16 July 2022 06:45 CEST | Update | - |
| article html file updated | 8 February 2020 18:12 CET | Update | - |
| article html file updated | 2 May 2019 21:51 CEST | Update | - |
| article html file updated | 2 January 2018 20:35 CET | Update | - |
| article html file updated | 16 October 2017 09:15 CEST | Update | - |
| article xml uploaded. | 16 October 2017 09:14 CEST | Update | https://www.mdpi.com/2075-4426/7/4/12/xml |
| article pdf uploaded. | 16 October 2017 09:14 CEST | Updated version of record | https://www.mdpi.com/2075-4426/7/4/12/pdf |
| article html file updated | 12 October 2017 18:27 CEST | Original file | - |
| article xml uploaded. | 12 October 2017 18:26 CEST | Original file | - |
| article pdf uploaded. | 12 October 2017 18:26 CEST | Version of Record | https://www.mdpi.com/2075-4426/7/4/12/pdf-vor |