| article html file updated | 31 August 2025 18:22 CEST | Update | https://www.mdpi.com/2227-9032/8/2/106 |
| article html file updated | 21 July 2022 02:49 CEST | Update | - |
| article html file updated | 18 June 2020 10:02 CEST | Original file | - |
| article pdf uploaded. | 18 June 2020 10:01 CEST | Updated version of record | https://www.mdpi.com/2227-9032/8/2/106/pdf |
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| article pdf uploaded. | 23 April 2020 16:12 CEST | Version of Record | https://www.mdpi.com/2227-9032/8/2/106/pdf-vor |
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