| article html file updated | 31 August 2025 20:18 CEST | Update | https://www.mdpi.com/2076-3921/9/5/421 |
| article html file updated | 21 July 2022 04:43 CEST | Update | N/A |
| article html file updated | 5 June 2020 18:03 CEST | Update | N/A |
| article html file updated | 28 May 2020 10:25 CEST | Original file | N/A |
| article pdf uploaded. | 28 May 2020 10:22 CEST | Updated version of record | https://www.mdpi.com/2076-3921/9/5/421/pdf |
| article xml uploaded. | 28 May 2020 10:22 CEST | Update | https://www.mdpi.com/2076-3921/9/5/421/xml |
| article xml file uploaded | 28 May 2020 10:22 CEST | Update | N/A |
| article pdf uploaded. | 13 May 2020 15:16 CEST | Version of Record | https://www.mdpi.com/2076-3921/9/5/421/pdf-vor |
| article xml file uploaded | 13 May 2020 15:16 CEST | Original file | N/A |
