| article html file updated | 2 September 2025 02:47 CEST | Update | https://www.mdpi.com/2227-9032/9/4/421 |
| article html file updated | 25 July 2022 10:51 CEST | Update | N/A |
| article html file updated | 4 August 2021 08:36 CEST | Update | N/A |
| article html file updated | 11 April 2021 08:03 CEST | Update | N/A |
| article html file updated | 11 April 2021 07:57 CEST | Update | N/A |
| article html file updated | 7 April 2021 12:56 CEST | Update | N/A |
| article pdf uploaded. | 7 April 2021 12:54 CEST | Updated version of record | https://www.mdpi.com/2227-9032/9/4/421/pdf |
| article xml uploaded. | 7 April 2021 12:54 CEST | Update | https://www.mdpi.com/2227-9032/9/4/421/xml |
| article xml file uploaded | 7 April 2021 12:54 CEST | Update | N/A |
| article html file updated | 7 April 2021 10:06 CEST | Update | N/A |
| article html file updated | 6 April 2021 11:18 CEST | Original file | N/A |
| article pdf uploaded. | 6 April 2021 11:16 CEST | Updated version of record | https://www.mdpi.com/2227-9032/9/4/421/pdf-vor |
| article xml file uploaded | 6 April 2021 11:16 CEST | Original file | N/A |
| article pdf uploaded. | 5 April 2021 14:49 CEST | Version of Record | https://www.mdpi.com/2227-9032/9/4/421/pdf-vor |