| article html file updated | 29 August 2025 20:40 CEST | Update | https://www.mdpi.com/1420-3049/18/6/6679 |
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| article html file updated | 17 September 2018 05:53 CEST | Original file | N/A |
| article pdf uploaded. | 10 June 2013 16:04 CEST | Updated version of record | https://www.mdpi.com/1420-3049/18/6/6679/pdf |
| article pdf uploaded. | 7 June 2013 09:25 CEST | Version of Record | https://www.mdpi.com/1420-3049/18/6/6679/pdf-vor |
