| article html file updated | 31 August 2025 15:29 CEST | Update | https://www.mdpi.com/2076-3921/9/4/274 |
| article html file updated | 20 July 2022 23:58 CEST | Update | N/A |
| article html file updated | 1 April 2020 10:43 CEST | Original file | N/A |
| article pdf uploaded. | 1 April 2020 09:39 CEST | Updated version of record | https://www.mdpi.com/2076-3921/9/4/274/pdf |
| article xml uploaded. | 1 April 2020 09:39 CEST | Update | https://www.mdpi.com/2076-3921/9/4/274/xml |
| article xml file uploaded | 1 April 2020 09:39 CEST | Update | N/A |
| article pdf uploaded. | 25 March 2020 15:46 CET | Version of Record | https://www.mdpi.com/2076-3921/9/4/274/pdf-vor |
| article xml file uploaded | 25 March 2020 15:46 CET | Original file | N/A |
