| article html file updated | 15 August 2026 21:53 CEST | Update | https://www.mdpi.com/2076-2615/9/4/171 |
| article html file updated | 23 October 2025 06:43 CEST | Update | N/A |
| article html file updated | 30 August 2025 14:04 CEST | Update | N/A |
| article html file updated | 21 August 2025 20:41 CEST | Update | N/A |
| article html file updated | 12 February 2020 05:46 CET | Update | N/A |
| article html file updated | 18 October 2019 11:11 CEST | Update | N/A |
| article html file updated | 8 May 2019 15:48 CEST | Update | N/A |
| article html file updated | 25 April 2019 10:45 CEST | Update | N/A |
| article html file updated | 24 April 2019 12:14 CEST | Original file | N/A |
| article pdf uploaded. | 24 April 2019 12:12 CEST | Updated version of record | https://www.mdpi.com/2076-2615/9/4/171/pdf |
| article xml uploaded. | 24 April 2019 12:12 CEST | Update | https://www.mdpi.com/2076-2615/9/4/171/xml |
| article xml file uploaded | 24 April 2019 12:12 CEST | Update | N/A |
| article pdf uploaded. | 16 April 2019 16:24 CEST | Version of Record | https://www.mdpi.com/2076-2615/9/4/171/pdf-vor |
| article xml file uploaded | 16 April 2019 16:24 CEST | Original file | N/A |
