| article html file updated | 24 December 2025 17:06 CET | Update | https://www.mdpi.com/2073-4409/9/1/221 |
| article html file updated | 31 August 2025 09:06 CEST | Update | N/A |
| article html file updated | 20 July 2022 17:38 CEST | Update | N/A |
| article html file updated | 15 February 2020 03:17 CET | Update | N/A |
| article html file updated | 6 February 2020 20:07 CET | Update | N/A |
| article html file updated | 22 January 2020 13:52 CET | Original file | N/A |
| article pdf uploaded. | 22 January 2020 13:50 CET | Updated version of record | https://www.mdpi.com/2073-4409/9/1/221/pdf |
| article xml uploaded. | 22 January 2020 13:50 CET | Update | https://www.mdpi.com/2073-4409/9/1/221/xml |
| article xml file uploaded | 22 January 2020 13:50 CET | Update | N/A |
| article pdf uploaded. | 15 January 2020 17:36 CET | Version of Record | https://www.mdpi.com/2073-4409/9/1/221/pdf-vor |
| article xml file uploaded | 15 January 2020 17:36 CET | Original file | N/A |
