| article html file updated | 31 August 2025 15:57 CEST | Update | https://www.mdpi.com/2220-9964/9/4/213 |
| article html file updated | 21 July 2022 00:26 CEST | Update | N/A |
| article html file updated | 8 April 2020 14:47 CEST | Original file | N/A |
| article pdf uploaded. | 8 April 2020 14:46 CEST | Updated version of record | https://www.mdpi.com/2220-9964/9/4/213/pdf |
| article xml uploaded. | 8 April 2020 14:46 CEST | Update | https://www.mdpi.com/2220-9964/9/4/213/xml |
| article xml file uploaded | 8 April 2020 14:45 CEST | Update | N/A |
| article pdf uploaded. | 30 March 2020 16:46 CEST | Version of Record | https://www.mdpi.com/2220-9964/9/4/213/pdf-vor |
| article xml file uploaded | 30 March 2020 16:46 CEST | Original file | N/A |
