| article html file updated | 1 September 2025 06:32 CEST | Update | https://www.mdpi.com/1999-5903/12/9/141 |
| article html file updated | 22 July 2022 04:37 CEST | Update | - |
| article html file updated | 1 September 2020 09:07 CEST | Update | - |
| article pdf uploaded. | 1 September 2020 09:06 CEST | Updated version of record | https://www.mdpi.com/1999-5903/12/9/141/pdf |
| article xml uploaded. | 1 September 2020 09:06 CEST | Update | https://www.mdpi.com/1999-5903/12/9/141/xml |
| article xml file uploaded | 1 September 2020 09:06 CEST | Update | - |
| article html file updated | 1 September 2020 08:49 CEST | Original file | - |
| article pdf uploaded. | 1 September 2020 08:48 CEST | Updated version of record | https://www.mdpi.com/1999-5903/12/9/141/pdf-vor |
| article xml uploaded. | 1 September 2020 08:48 CEST | Update | - |
| article xml file uploaded | 1 September 2020 08:48 CEST | Original file | - |
| article pdf uploaded. | 24 August 2020 14:29 CEST | Updated version of record | https://www.mdpi.com/1999-5903/12/9/141/pdf-vor |
| article pdf uploaded. | 24 August 2020 14:29 CEST | Version of Record | https://www.mdpi.com/1999-5903/12/9/141/pdf-vor |
