| article html file updated | 13 February 2020 14:01 CET | Update | https://www.mdpi.com/2227-7102/9/3/231 |
| article html file updated | 26 September 2019 15:15 CEST | Update | - |
| article html file updated | 6 September 2019 05:55 CEST | Update | - |
| article pdf uploaded. | 6 September 2019 05:54 CEST | Updated version of record | https://www.mdpi.com/2227-7102/9/3/231/pdf |
| article xml uploaded. | 6 September 2019 05:54 CEST | Update | https://www.mdpi.com/2227-7102/9/3/231/xml |
| article xml file uploaded | 6 September 2019 05:54 CEST | Update | - |
| article html file updated | 31 August 2019 09:14 CEST | Original file | - |
| article pdf uploaded. | 31 August 2019 09:12 CEST | Version of Record | https://www.mdpi.com/2227-7102/9/3/231/pdf-vor |
| article xml uploaded. | 31 August 2019 09:12 CEST | Update | - |
| article xml file uploaded | 31 August 2019 09:12 CEST | Original file | - |
