| article html file updated | 31 August 2025 11:36 CEST | Update | https://www.mdpi.com/1999-5903/12/2/34 |
| article html file updated | 20 July 2022 20:07 CEST | Update | - |
| article html file updated | 29 February 2020 07:28 CET | Original file | - |
| article pdf uploaded. | 29 February 2020 07:27 CET | Updated version of record | https://www.mdpi.com/1999-5903/12/2/34/pdf |
| article xml uploaded. | 29 February 2020 07:27 CET | Update | https://www.mdpi.com/1999-5903/12/2/34/xml |
| article xml file uploaded | 29 February 2020 07:27 CET | Update | - |
| article pdf uploaded. | 13 February 2020 16:27 CET | Version of Record | https://www.mdpi.com/1999-5903/12/2/34/pdf-vor |
| article xml file uploaded | 13 February 2020 16:27 CET | Original file | - |
