| article html file updated | 13 February 2020 17:37 CET | Update | https://www.mdpi.com/2227-9717/7/9/621 |
| article html file updated | 25 September 2019 20:08 CEST | Update | N/A |
| article html file updated | 20 September 2019 09:17 CEST | Update | N/A |
| article html file updated | 20 September 2019 09:13 CEST | Update | N/A |
| article html file updated | 20 September 2019 09:10 CEST | Original file | N/A |
| article pdf uploaded. | 20 September 2019 09:05 CEST | Updated version of record | https://www.mdpi.com/2227-9717/7/9/621/pdf |
| article xml uploaded. | 20 September 2019 09:05 CEST | Update | https://www.mdpi.com/2227-9717/7/9/621/xml |
| article xml file uploaded | 20 September 2019 09:05 CEST | Update | N/A |
| article pdf uploaded. | 14 September 2019 09:43 CEST | Version of Record | https://www.mdpi.com/2227-9717/7/9/621/pdf-vor |
| article xml file uploaded | 14 September 2019 09:43 CEST | Original file | N/A |
