| article html file updated | 24 December 2025 20:51 CET | Update | https://www.mdpi.com/1660-3397/18/9/438 |
| article html file updated | 1 September 2025 06:27 CEST | Update | N/A |
| article html file updated | 22 July 2022 04:31 CEST | Update | N/A |
| article html file updated | 7 October 2020 09:49 CEST | Update | N/A |
| article html file updated | 26 August 2020 02:47 CEST | Original file | N/A |
| article pdf uploaded. | 26 August 2020 02:45 CEST | Updated version of record | https://www.mdpi.com/1660-3397/18/9/438/pdf |
| article xml uploaded. | 26 August 2020 02:45 CEST | Update | https://www.mdpi.com/1660-3397/18/9/438/xml |
| article xml file uploaded | 26 August 2020 02:45 CEST | Original file | N/A |
| article pdf uploaded. | 23 August 2020 15:53 CEST | Version of Record | https://www.mdpi.com/1660-3397/18/9/438/pdf-vor |
