| article html file updated | 24 December 2025 19:25 CET | Update | https://www.mdpi.com/2218-2004/8/2/30 |
| article html file updated | 1 September 2025 00:13 CEST | Update | N/A |
| article html file updated | 21 July 2022 21:28 CEST | Update | N/A |
| article html file updated | 30 June 2020 08:45 CEST | Original file | N/A |
| article pdf uploaded. | 30 June 2020 08:44 CEST | Updated version of record | https://www.mdpi.com/2218-2004/8/2/30/pdf |
| article xml uploaded. | 30 June 2020 08:44 CEST | Update | https://www.mdpi.com/2218-2004/8/2/30/xml |
| article xml file uploaded | 30 June 2020 08:44 CEST | Original file | N/A |
| article pdf uploaded. | 19 June 2020 16:58 CEST | Version of Record | https://www.mdpi.com/2218-2004/8/2/30/pdf-vor |
