| article html file updated | 12 February 2020 17:06 CET | Update | https://www.mdpi.com/2227-7102/9/2/122 |
| article html file updated | 4 July 2019 18:05 CEST | Update | N/A |
| article html file updated | 25 June 2019 10:44 CEST | Original file | N/A |
| article pdf uploaded. | 25 June 2019 10:41 CEST | Updated version of record | https://www.mdpi.com/2227-7102/9/2/122/pdf |
| article xml uploaded. | 25 June 2019 10:41 CEST | Update | https://www.mdpi.com/2227-7102/9/2/122/xml |
| article xml file uploaded | 25 June 2019 10:41 CEST | Update | N/A |
| article pdf uploaded. | 2 June 2019 09:59 CEST | Version of Record | https://www.mdpi.com/2227-7102/9/2/122/pdf-vor |
| article xml file uploaded | 2 June 2019 09:59 CEST | Original file | N/A |
