| article html file updated | 6 February 2020 14:30 CET | Update | https://www.mdpi.com/1420-3049/19/12/21154 |
| article html file updated | 20 September 2019 16:04 CEST | Update | - |
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| article xml file uploaded | 4 January 2015 11:51 CET | Original file | https://www.mdpi.com/1420-3049/19/12/21154/xml |
| article pdf uploaded. | 16 December 2014 13:14 CET | Version of Record | https://www.mdpi.com/1420-3049/19/12/21154/pdf |
