| article html file updated | 31 August 2025 10:08 CEST | Update | https://www.mdpi.com/2073-431X/9/1/6 |
| article html file updated | 20 July 2022 18:39 CEST | Update | - |
| article html file updated | 19 March 2020 11:47 CET | Original file | - |
| article pdf uploaded. | 19 March 2020 11:44 CET | Updated version of record | https://www.mdpi.com/2073-431X/9/1/6/pdf |
| article xml uploaded. | 19 March 2020 11:44 CET | Update | https://www.mdpi.com/2073-431X/9/1/6/xml |
| article xml file uploaded | 19 March 2020 11:44 CET | Update | - |
| article pdf uploaded. | 28 January 2020 15:01 CET | Version of Record | https://www.mdpi.com/2073-431X/9/1/6/pdf-vor |
| article xml file uploaded | 28 January 2020 15:01 CET | Original file | - |
