| article html file updated | 13 February 2020 14:58 CET | Update | https://www.mdpi.com/2227-7102/9/3/233 |
| article html file updated | 26 September 2019 15:16 CEST | Update | N/A |
| article html file updated | 4 September 2019 08:58 CEST | Original file | N/A |
| article pdf uploaded. | 4 September 2019 08:57 CEST | Version of Record | https://www.mdpi.com/2227-7102/9/3/233/pdf |
| article xml uploaded. | 4 September 2019 08:57 CEST | Update | https://www.mdpi.com/2227-7102/9/3/233/xml |
| article xml file uploaded | 4 September 2019 08:57 CEST | Original file | N/A |
