| article html file updated | 22 July 2021 10:27 CEST | Update | https://www.mdpi.com/1999-5903/13/8/188 |
| article pdf uploaded. | 22 July 2021 10:25 CEST | Updated version of record | https://www.mdpi.com/1999-5903/13/8/188/pdf |
| article xml uploaded. | 22 July 2021 10:25 CEST | Update | https://www.mdpi.com/1999-5903/13/8/188/xml |
| article xml file uploaded | 22 July 2021 10:25 CEST | Update | N/A |
| article html file updated | 22 July 2021 10:20 CEST | Update | N/A |
| article html file updated | 22 July 2021 10:10 CEST | Original file | N/A |
| article xml file uploaded | 22 July 2021 10:08 CEST | Original file | N/A |
