| article html file updated | 16 August 2026 18:35 CEST | Update | https://www.mdpi.com/2227-7102/9/4/275 |
| article html file updated | 14 February 2020 10:15 CET | Update | N/A |
| article html file updated | 22 November 2019 07:09 CET | Original file | N/A |
| article pdf uploaded. | 22 November 2019 07:07 CET | Updated version of record | https://www.mdpi.com/2227-7102/9/4/275/pdf |
| article xml uploaded. | 22 November 2019 07:07 CET | Update | https://www.mdpi.com/2227-7102/9/4/275/xml |
| article xml file uploaded | 22 November 2019 07:07 CET | Update | N/A |
| article pdf uploaded. | 15 November 2019 16:25 CET | Version of Record | https://www.mdpi.com/2227-7102/9/4/275/pdf-vor |
| article xml file uploaded | 15 November 2019 16:25 CET | Original file | N/A |
