| article html file updated | 30 August 2025 00:58 CEST | Update | https://www.mdpi.com/1996-1073/10/8/1220 |
| article html file updated | 16 July 2022 05:53 CEST | Update | - |
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| article pdf uploaded. | 20 August 2017 14:13 CEST | Updated version of record | https://www.mdpi.com/1996-1073/10/8/1220/pdf |
| article pdf uploaded. | 17 August 2017 12:49 CEST | Version of Record | https://www.mdpi.com/1996-1073/10/8/1220/pdf-vor |
