| article html file updated | 1 September 2025 06:36 CEST | Update | https://www.mdpi.com/2227-9067/7/9/111 |
| article html file updated | 22 July 2022 04:43 CEST | Update | - |
| article html file updated | 26 August 2020 17:48 CEST | Original file | - |
| article pdf uploaded. | 26 August 2020 17:47 CEST | Updated version of record | https://www.mdpi.com/2227-9067/7/9/111/pdf |
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| article pdf uploaded. | 25 August 2020 12:53 CEST | Updated version of record | https://www.mdpi.com/2227-9067/7/9/111/pdf-vor |
| article pdf uploaded. | 25 August 2020 12:53 CEST | Version of Record | https://www.mdpi.com/2227-9067/7/9/111/pdf-vor |
