| article html file updated | 31 August 2025 16:06 CEST | Update | https://www.mdpi.com/2073-8994/12/4/504 |
| article html file updated | 21 July 2022 00:34 CEST | Update | - |
| article html file updated | 9 April 2020 06:51 CEST | Update | - |
| article pdf uploaded. | 9 April 2020 06:50 CEST | Updated version of record | https://www.mdpi.com/2073-8994/12/4/504/pdf |
| article xml uploaded. | 9 April 2020 06:50 CEST | Update | https://www.mdpi.com/2073-8994/12/4/504/xml |
| article xml file uploaded | 9 April 2020 06:50 CEST | Update | - |
| article html file updated | 2 April 2020 11:37 CEST | Original file | - |
| article pdf uploaded. | 1 April 2020 11:36 CEST | Version of Record | https://www.mdpi.com/2073-8994/12/4/504/pdf-vor |
| article xml file uploaded | 1 April 2020 11:36 CEST | Original file | - |
