| article html file updated | 31 August 2025 03:01 CEST | Update | https://www.mdpi.com/2227-7099/7/4/104 |
| article html file updated | 21 August 2025 22:56 CEST | Update | - |
| article html file updated | 14 February 2020 01:29 CET | Update | - |
| article html file updated | 31 December 2019 12:51 CET | Update | - |
| article html file updated | 22 October 2019 12:48 CEST | Original file | - |
| article pdf uploaded. | 22 October 2019 12:47 CEST | Updated version of record | https://www.mdpi.com/2227-7099/7/4/104/pdf |
| article xml uploaded. | 22 October 2019 12:47 CEST | Update | https://www.mdpi.com/2227-7099/7/4/104/xml |
| article xml file uploaded | 22 October 2019 12:47 CEST | Update | - |
| article supplementary file uploaded. | 16 October 2019 15:05 CEST | - | https://www.mdpi.com/2227-7099/7/4/104#supplementary |
| article pdf uploaded. | 16 October 2019 15:05 CEST | Version of Record | https://www.mdpi.com/2227-7099/7/4/104/pdf-vor |
| article xml file uploaded | 16 October 2019 15:05 CEST | Original file | - |
