| article html file updated | 15 June 2020 12:17 CEST | Original file | https://www.mdpi.com/2077-1444/11/6/291 |
| article pdf uploaded. | 15 June 2020 12:15 CEST | Version of Record | https://www.mdpi.com/2077-1444/11/6/291/pdf |
| article xml uploaded. | 15 June 2020 12:15 CEST | Update | https://www.mdpi.com/2077-1444/11/6/291/xml |
| article xml file uploaded | 15 June 2020 12:15 CEST | Original file | - |
