| article html file updated | 9 October 2020 20:06 CEST | Update | https://www.mdpi.com/1999-5903/12/9/142 |
| article html file updated | 14 September 2020 11:27 CEST | Original file | - |
| article pdf uploaded. | 14 September 2020 11:25 CEST | Updated version of record | https://www.mdpi.com/1999-5903/12/9/142/pdf |
| article xml uploaded. | 14 September 2020 11:25 CEST | Update | https://www.mdpi.com/1999-5903/12/9/142/xml |
| article xml file uploaded | 14 September 2020 11:25 CEST | Original file | - |
| article pdf uploaded. | 25 August 2020 13:13 CEST | Version of Record | https://www.mdpi.com/1999-5903/12/9/142/pdf-vor |
