| article html file updated | 30 August 2025 00:58 CEST | Update | https://www.mdpi.com/2072-6694/9/8/108 |
| article html file updated | 16 July 2022 05:53 CEST | Update | - |
| article html file updated | 8 February 2020 13:49 CET | Update | - |
| article html file updated | 26 September 2019 14:40 CEST | Update | - |
| article html file updated | 3 May 2019 06:25 CEST | Update | - |
| article html file updated | 27 March 2019 21:24 CET | Update | - |
| article html file updated | 1 September 2017 08:24 CEST | Update | - |
| article html file updated | 22 August 2017 06:21 CEST | Original file | - |
| article xml uploaded. | 22 August 2017 06:19 CEST | Update | https://www.mdpi.com/2072-6694/9/8/108/xml |
| article xml uploaded. | 22 August 2017 06:19 CEST | Original file | - |
| article pdf uploaded. | 22 August 2017 06:19 CEST | Updated version of record | https://www.mdpi.com/2072-6694/9/8/108/pdf |
| article pdf uploaded. | 17 August 2017 14:49 CEST | Version of Record | https://www.mdpi.com/2072-6694/9/8/108/pdf-vor |
