| article html file updated | 1 September 2025 00:11 CEST | Update | https://www.mdpi.com/2076-3921/9/6/538 |
| article html file updated | 21 July 2022 21:26 CEST | Update | N/A |
| article html file updated | 23 June 2020 06:22 CEST | Update | N/A |
| article html file updated | 23 June 2020 06:22 CEST | Update | N/A |
| article pdf uploaded. | 23 June 2020 05:01 CEST | Updated version of record | https://www.mdpi.com/2076-3921/9/6/538/pdf |
| article pdf uploaded. | 23 June 2020 05:00 CEST | Updated version of record | https://www.mdpi.com/2076-3921/9/6/538/pdf-vor |
| article xml uploaded. | 23 June 2020 05:00 CEST | Update | https://www.mdpi.com/2076-3921/9/6/538/xml |
| article xml file uploaded | 23 June 2020 05:00 CEST | Update | N/A |
| article html file updated | 20 June 2020 13:27 CEST | Original file | N/A |
| article pdf uploaded. | 20 June 2020 13:25 CEST | Updated version of record | https://www.mdpi.com/2076-3921/9/6/538/pdf-vor |
| article xml file uploaded | 20 June 2020 13:25 CEST | Original file | N/A |
| article pdf uploaded. | 19 June 2020 14:58 CEST | Version of Record | https://www.mdpi.com/2076-3921/9/6/538/pdf-vor |
