| article html file updated | 1 May 2020 12:42 CEST | Original file | https://www.mdpi.com/2077-1444/11/5/224 |
| article pdf uploaded. | 1 May 2020 12:41 CEST | Version of Record | https://www.mdpi.com/2077-1444/11/5/224/pdf |
| article xml uploaded. | 1 May 2020 12:41 CEST | Update | https://www.mdpi.com/2077-1444/11/5/224/xml |
| article xml file uploaded | 1 May 2020 12:41 CEST | Original file | N/A |
