| article html file updated | 17 August 2026 15:02 CEST | Update | https://www.mdpi.com/2076-3921/9/6/518 |
| article html file updated | 31 August 2025 23:26 CEST | Update | N/A |
| article html file updated | 21 July 2022 20:41 CEST | Update | N/A |
| article html file updated | 17 June 2020 08:00 CEST | Original file | N/A |
| article pdf uploaded. | 17 June 2020 07:59 CEST | Updated version of record | https://www.mdpi.com/2076-3921/9/6/518/pdf |
| article xml uploaded. | 17 June 2020 07:59 CEST | Update | https://www.mdpi.com/2076-3921/9/6/518/xml |
| article xml file uploaded | 17 June 2020 07:59 CEST | Update | N/A |
| article pdf uploaded. | 16 June 2020 11:08 CEST | Updated version of record | https://www.mdpi.com/2076-3921/9/6/518/pdf-vor |
| article pdf uploaded. | 12 June 2020 11:11 CEST | Updated version of record | https://www.mdpi.com/2076-3921/9/6/518/pdf-vor |
| article xml file uploaded | 12 June 2020 11:11 CEST | Update | N/A |
| article pdf uploaded. | 12 June 2020 11:11 CEST | Version of Record | https://www.mdpi.com/2076-3921/9/6/518/pdf-vor |
| article xml file uploaded | 12 June 2020 11:11 CEST | Original file | N/A |
