| article html file updated | 31 August 2025 01:31 CEST | Update | https://www.mdpi.com/1660-3397/17/9/538 |
| article html file updated | 20 July 2022 03:18 CEST | Update | - |
| article html file updated | 13 February 2020 18:02 CET | Update | - |
| article html file updated | 26 September 2019 22:05 CEST | Update | - |
| article html file updated | 20 September 2019 09:02 CEST | Update | - |
| article html file updated | 20 September 2019 08:57 CEST | Update | - |
| article html file updated | 20 September 2019 08:52 CEST | Original file | - |
| article pdf uploaded. | 20 September 2019 08:48 CEST | Updated version of record | https://www.mdpi.com/1660-3397/17/9/538/pdf |
| article xml uploaded. | 20 September 2019 08:48 CEST | Update | https://www.mdpi.com/1660-3397/17/9/538/xml |
| article xml file uploaded | 20 September 2019 08:48 CEST | Update | - |
| article pdf uploaded. | 16 September 2019 16:43 CEST | Version of Record | https://www.mdpi.com/1660-3397/17/9/538/pdf-vor |
| article xml file uploaded | 16 September 2019 16:43 CEST | Original file | - |
