| article html file updated | 30 August 2025 08:54 CEST | Update | https://www.mdpi.com/2075-4434/6/4/117 |
| article html file updated | 17 July 2022 09:32 CEST | Update | - |
| article html file updated | 10 February 2020 21:44 CET | Update | - |
| article html file updated | 28 April 2019 07:16 CEST | Update | - |
| article html file updated | 14 April 2019 03:05 CEST | Update | - |
| article html file updated | 1 April 2019 22:07 CEST | Update | - |
| article html file updated | 25 December 2018 03:55 CET | Update | - |
| article html file updated | 16 November 2018 10:38 CET | Original file | - |
| article pdf uploaded. | 16 November 2018 10:37 CET | Version of Record | https://www.mdpi.com/2075-4434/6/4/117/pdf |
| article xml uploaded. | 16 November 2018 10:37 CET | Update | https://www.mdpi.com/2075-4434/6/4/117/xml |
| article xml file uploaded | 16 November 2018 10:37 CET | Original file | - |
