| article html file updated | 16 August 2026 02:10 CEST | Update | https://www.mdpi.com/2076-3425/9/6/135 |
| article html file updated | 30 August 2025 20:57 CEST | Update | N/A |
| article html file updated | 21 August 2025 21:18 CEST | Update | N/A |
| article html file updated | 20 July 2022 15:49 CEST | Update | N/A |
| article html file updated | 12 February 2020 18:44 CET | Update | N/A |
| article html file updated | 21 October 2019 15:45 CEST | Update | N/A |
| article html file updated | 3 July 2019 17:21 CEST | Update | N/A |
| article html file updated | 26 June 2019 03:46 CEST | Original file | N/A |
| article pdf uploaded. | 26 June 2019 03:45 CEST | Updated version of record | https://www.mdpi.com/2076-3425/9/6/135/pdf |
| article xml uploaded. | 26 June 2019 03:45 CEST | Update | https://www.mdpi.com/2076-3425/9/6/135/xml |
| article xml file uploaded | 26 June 2019 03:45 CEST | Update | N/A |
| article pdf uploaded. | 10 June 2019 15:39 CEST | Version of Record | https://www.mdpi.com/2076-3425/9/6/135/pdf-vor |
| article xml file uploaded | 10 June 2019 15:39 CEST | Original file | N/A |
