| article html file updated | 30 August 2025 23:21 CEST | Update | https://www.mdpi.com/2076-3921/8/8/261 |
| article html file updated | 20 July 2022 05:58 CEST | Update | - |
| article html file updated | 13 February 2020 06:42 CET | Update | - |
| article html file updated | 8 August 2019 14:57 CEST | Original file | - |
| article pdf uploaded. | 8 August 2019 14:55 CEST | Updated version of record | https://www.mdpi.com/2076-3921/8/8/261/pdf |
| article xml uploaded. | 8 August 2019 14:55 CEST | Update | https://www.mdpi.com/2076-3921/8/8/261/xml |
| article xml file uploaded | 8 August 2019 14:55 CEST | Update | - |
| article pdf uploaded. | 1 August 2019 14:22 CEST | Version of Record | https://www.mdpi.com/2076-3921/8/8/261/pdf-vor |
| article xml file uploaded | 1 August 2019 14:22 CEST | Original file | - |
