| article html file updated | 30 August 2025 02:42 CEST | Update | https://www.mdpi.com/1996-1073/11/2/461 |
| article html file updated | 16 July 2022 09:24 CEST | Update | - |
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| article xml uploaded. | 23 February 2018 09:00 CET | Update | https://www.mdpi.com/1996-1073/11/2/461/xml |
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| article pdf uploaded. | 23 February 2018 08:53 CET | Updated version of record | https://www.mdpi.com/1996-1073/11/2/461/pdf |
| article pdf uploaded. | 22 February 2018 18:36 CET | Version of Record | https://www.mdpi.com/1996-1073/11/2/461/pdf-vor |
