| article html file updated | 3 February 2021 17:54 CET | Original file | https://www.mdpi.com/1999-5903/13/2/40 |
| article pdf uploaded. | 3 February 2021 10:26 CET | Updated version of record | https://www.mdpi.com/1999-5903/13/2/40/pdf |
| article xml uploaded. | 3 February 2021 10:26 CET | Update | https://www.mdpi.com/1999-5903/13/2/40/xml |
| article xml file uploaded | 3 February 2021 10:26 CET | Original file | N/A |
| article pdf uploaded. | 2 February 2021 16:27 CET | Updated version of record | https://www.mdpi.com/1999-5903/13/2/40/pdf-vor |
| article pdf uploaded. | 2 February 2021 16:00 CET | Version of Record | https://www.mdpi.com/1999-5903/13/2/40/pdf-vor |
