| article html file updated | 2 September 2025 01:56 CEST | Update | https://www.mdpi.com/2227-9067/8/4/259 |
| article html file updated | 25 July 2022 09:34 CEST | Update | - |
| article html file updated | 3 August 2021 09:53 CEST | Update | - |
| article html file updated | 10 April 2021 04:51 CEST | Update | - |
| article html file updated | 30 March 2021 10:36 CEST | Update | - |
| article pdf uploaded. | 30 March 2021 10:35 CEST | Updated version of record | https://www.mdpi.com/2227-9067/8/4/259/pdf |
| article xml uploaded. | 30 March 2021 10:35 CEST | Update | https://www.mdpi.com/2227-9067/8/4/259/xml |
| article xml file uploaded | 30 March 2021 10:35 CEST | Update | - |
| article html file updated | 29 March 2021 03:35 CEST | Original file | - |
| article pdf uploaded. | 29 March 2021 03:33 CEST | Updated version of record | https://www.mdpi.com/2227-9067/8/4/259/pdf-vor |
| article xml file uploaded | 29 March 2021 03:33 CEST | Original file | - |
| article supplementary file uploaded. | 27 March 2021 12:23 CET | - | https://www.mdpi.com/2227-9067/8/4/259#supplementary |
| article pdf uploaded. | 27 March 2021 12:23 CET | Version of Record | https://www.mdpi.com/2227-9067/8/4/259/pdf-vor |
