| article html file updated | 26 February 2021 08:17 CET | Original file | https://www.mdpi.com/2072-6694/13/5/971 |
| article pdf uploaded. | 26 February 2021 08:16 CET | Version of Record | https://www.mdpi.com/2072-6694/13/5/971/pdf |
| article xml uploaded. | 26 February 2021 08:16 CET | Update | https://www.mdpi.com/2072-6694/13/5/971/xml |
| article xml file uploaded | 26 February 2021 08:16 CET | Original file | N/A |
