| article html file updated | 21 July 2022 06:46 CEST | Update | https://www.mdpi.com/2227-9717/8/6/659 |
| article html file updated | 9 October 2020 05:44 CEST | Update | N/A |
| article html file updated | 30 June 2020 10:40 CEST | Original file | N/A |
| article pdf uploaded. | 30 June 2020 10:38 CEST | Updated version of record | https://www.mdpi.com/2227-9717/8/6/659/pdf |
| article xml uploaded. | 30 June 2020 10:38 CEST | Update | https://www.mdpi.com/2227-9717/8/6/659/xml |
| article xml file uploaded | 30 June 2020 10:38 CEST | Original file | N/A |
| article pdf uploaded. | 2 June 2020 10:12 CEST | Version of Record | https://www.mdpi.com/2227-9717/8/6/659/pdf-vor |
