| article html file updated | 23 February 2021 06:35 CET | Update | https://www.mdpi.com/2227-9717/9/2/347 |
| article pdf uploaded. | 23 February 2021 06:34 CET | Updated version of record | https://www.mdpi.com/2227-9717/9/2/347/pdf |
| article xml uploaded. | 23 February 2021 06:34 CET | Update | https://www.mdpi.com/2227-9717/9/2/347/xml |
| article xml file uploaded | 23 February 2021 06:34 CET | Update | - |
| article html file updated | 14 February 2021 05:46 CET | Original file | - |
| article pdf uploaded. | 14 February 2021 05:44 CET | Version of Record | https://www.mdpi.com/2227-9717/9/2/347/pdf-vor |
| article xml uploaded. | 14 February 2021 05:44 CET | Update | - |
| article xml file uploaded | 14 February 2021 05:44 CET | Original file | - |
