| article html file updated | 23 October 2025 06:42 CEST | Update | https://www.mdpi.com/2076-2615/9/4/139 |
| article html file updated | 30 August 2025 13:36 CEST | Update | - |
| article html file updated | 19 July 2022 17:08 CEST | Update | - |
| article html file updated | 12 February 2020 02:27 CET | Update | - |
| article html file updated | 17 October 2019 14:58 CEST | Update | - |
| article html file updated | 8 May 2019 15:44 CEST | Update | - |
| article html file updated | 25 April 2019 18:00 CEST | Update | - |
| article html file updated | 11 April 2019 13:37 CEST | Update | - |
| article html file updated | 10 April 2019 08:17 CEST | Update | - |
| article html file updated | 2 April 2019 12:52 CEST | Original file | - |
| article pdf uploaded. | 2 April 2019 12:32 CEST | Version of Record | https://www.mdpi.com/2076-2615/9/4/139/pdf |
| article xml uploaded. | 2 April 2019 12:32 CEST | Update | https://www.mdpi.com/2076-2615/9/4/139/xml |
| article xml file uploaded | 2 April 2019 12:32 CEST | Original file | - |
