| article html file updated | 2 September 2025 09:20 CEST | Update | https://www.mdpi.com/2227-9067/8/6/457 |
| article html file updated | 26 July 2022 22:07 CEST | Update | - |
| article html file updated | 14 June 2021 02:59 CEST | Update | - |
| article pdf uploaded. | 14 June 2021 02:58 CEST | Updated version of record | https://www.mdpi.com/2227-9067/8/6/457/pdf |
| article xml uploaded. | 14 June 2021 02:58 CEST | Update | https://www.mdpi.com/2227-9067/8/6/457/xml |
| article xml file uploaded | 14 June 2021 02:58 CEST | Update | - |
| article html file updated | 14 June 2021 02:47 CEST | Update | - |
| article pdf uploaded. | 14 June 2021 02:45 CEST | Updated version of record | https://www.mdpi.com/2227-9067/8/6/457/pdf-vor |
| article xml file uploaded | 14 June 2021 02:45 CEST | Update | - |
| article html file updated | 14 June 2021 02:42 CEST | Update | - |
| article pdf uploaded. | 14 June 2021 02:41 CEST | Updated version of record | https://www.mdpi.com/2227-9067/8/6/457/pdf-vor |
| article xml file uploaded | 14 June 2021 02:41 CEST | Update | - |
| article html file updated | 31 May 2021 09:23 CEST | Original file | - |
| article pdf uploaded. | 31 May 2021 09:21 CEST | Updated version of record | https://www.mdpi.com/2227-9067/8/6/457/pdf-vor |
| article xml file uploaded | 31 May 2021 09:21 CEST | Original file | - |
| article pdf uploaded. | 30 May 2021 12:10 CEST | Version of Record | https://www.mdpi.com/2227-9067/8/6/457/pdf-vor |
| article supplementary file uploaded. | 30 May 2021 12:10 CEST | - | https://www.mdpi.com/2227-9067/8/6/457#supplementary |
