| article html file updated | 19 August 2026 04:49 CEST | Update | https://www.mdpi.com/2075-5309/11/4/135 |
| article html file updated | 3 August 2021 03:56 CEST | Update | N/A |
| article html file updated | 22 April 2021 16:31 CEST | Update | N/A |
| article pdf uploaded. | 22 April 2021 16:29 CEST | Updated version of record | https://www.mdpi.com/2075-5309/11/4/135/pdf |
| article xml uploaded. | 22 April 2021 16:29 CEST | Update | https://www.mdpi.com/2075-5309/11/4/135/xml |
| article xml file uploaded | 22 April 2021 16:29 CEST | Update | N/A |
| article html file updated | 26 March 2021 10:24 CET | Original file | N/A |
| article pdf uploaded. | 26 March 2021 10:23 CET | Updated version of record | https://www.mdpi.com/2075-5309/11/4/135/pdf-vor |
| article xml file uploaded | 26 March 2021 10:23 CET | Original file | N/A |
| article pdf uploaded. | 25 March 2021 13:20 CET | Version of Record | https://www.mdpi.com/2075-5309/11/4/135/pdf-vor |
