| article html file updated | 30 August 2025 20:26 CEST | Update | https://www.mdpi.com/2227-7102/9/2/120 |
| article html file updated | 19 July 2022 19:18 CEST | Update | N/A |
| article html file updated | 12 February 2020 16:10 CET | Update | N/A |
| article html file updated | 20 October 2019 23:21 CEST | Update | N/A |
| article html file updated | 4 July 2019 18:04 CEST | Update | N/A |
| article html file updated | 24 June 2019 12:51 CEST | Original file | N/A |
| article pdf uploaded. | 24 June 2019 12:50 CEST | Updated version of record | https://www.mdpi.com/2227-7102/9/2/120/pdf |
| article xml uploaded. | 24 June 2019 12:50 CEST | Update | https://www.mdpi.com/2227-7102/9/2/120/xml |
| article xml file uploaded | 24 June 2019 12:50 CEST | Update | N/A |
| article pdf uploaded. | 29 May 2019 14:36 CEST | Version of Record | https://www.mdpi.com/2227-7102/9/2/120/pdf-vor |
| article xml file uploaded | 29 May 2019 14:36 CEST | Original file | N/A |
