| article html file updated | 30 August 2025 09:29 CEST | Update | https://www.mdpi.com/2075-4698/8/4/121 |
| article html file updated | 17 July 2022 12:42 CEST | Update | - |
| article html file updated | 11 February 2020 00:46 CET | Update | - |
| article html file updated | 11 October 2019 08:14 CEST | Update | - |
| article html file updated | 28 April 2019 00:42 CEST | Update | - |
| article html file updated | 13 April 2019 20:37 CEST | Update | - |
| article html file updated | 2 April 2019 06:27 CEST | Update | - |
| article html file updated | 26 December 2018 10:25 CET | Update | - |
| article html file updated | 3 December 2018 08:54 CET | Original file | - |
| article pdf uploaded. | 3 December 2018 08:53 CET | Version of Record | https://www.mdpi.com/2075-4698/8/4/121/pdf |
| article xml uploaded. | 3 December 2018 08:53 CET | Update | https://www.mdpi.com/2075-4698/8/4/121/xml |
| article xml file uploaded | 3 December 2018 08:53 CET | Original file | - |