| article html file updated | 1 September 2025 11:42 CEST | Update | https://www.mdpi.com/2227-9032/8/4/424 |
| article html file updated | 22 July 2022 22:13 CEST | Update | N/A |
| article html file updated | 4 November 2020 03:34 CET | Original file | N/A |
| article pdf uploaded. | 4 November 2020 03:33 CET | Updated version of record | https://www.mdpi.com/2227-9032/8/4/424/pdf |
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| article pdf uploaded. | 23 October 2020 11:37 CEST | Version of Record | https://www.mdpi.com/2227-9032/8/4/424/pdf-vor |
