| article html file updated | 31 August 2025 15:44 CEST | Update | https://www.mdpi.com/2220-9964/9/4/201 |
| article html file updated | 21 July 2022 00:13 CEST | Update | N/A |
| article html file updated | 3 April 2020 09:25 CEST | Original file | N/A |
| article pdf uploaded. | 3 April 2020 09:23 CEST | Updated version of record | https://www.mdpi.com/2220-9964/9/4/201/pdf |
| article xml uploaded. | 3 April 2020 09:23 CEST | Update | https://www.mdpi.com/2220-9964/9/4/201/xml |
| article xml file uploaded | 3 April 2020 09:23 CEST | Update | N/A |
| article pdf uploaded. | 27 March 2020 18:11 CET | Version of Record | https://www.mdpi.com/2220-9964/9/4/201/pdf-vor |
| article xml file uploaded | 27 March 2020 18:11 CET | Original file | N/A |
