| article html file updated | 23 October 2025 06:17 CEST | Update | https://www.mdpi.com/2076-2615/3/2/401 |
| article html file updated | 6 February 2020 02:05 CET | Update | - |
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| article xml file uploaded | 29 June 2015 04:17 CEST | Original file | https://www.mdpi.com/2076-2615/3/2/401/xml |
| article html file updated | 17 June 2015 09:19 CEST | Original file | - |
| article pdf uploaded. | 15 May 2013 15:11 CEST | Version of Record | https://www.mdpi.com/2076-2615/3/2/401/pdf |
