| article html file updated | 24 December 2025 19:02 CET | Update | https://www.mdpi.com/2218-6581/9/2/42 |
| article html file updated | 31 August 2025 21:46 CEST | Update | N/A |
| article html file updated | 21 July 2022 06:11 CEST | Update | N/A |
| article html file updated | 18 June 2020 17:31 CEST | Original file | N/A |
| article pdf uploaded. | 18 June 2020 17:29 CEST | Updated version of record | https://www.mdpi.com/2218-6581/9/2/42/pdf |
| article xml uploaded. | 18 June 2020 17:29 CEST | Update | https://www.mdpi.com/2218-6581/9/2/42/xml |
| article xml file uploaded | 18 June 2020 17:29 CEST | Original file | N/A |
| article pdf uploaded. | 27 May 2020 13:54 CEST | Version of Record | https://www.mdpi.com/2218-6581/9/2/42/pdf-vor |
