| article html file updated | 6 February 2020 09:54 CET | Update | https://www.mdpi.com/1420-3049/19/6/7981 |
| article html file updated | 20 September 2019 09:12 CEST | Update | - |
| article html file updated | 7 May 2019 13:14 CEST | Update | - |
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| article html file updated | 12 September 2018 08:07 CEST | Update | - |
| article html file updated | 20 August 2015 09:41 CEST | Update | - |
| article html file updated | 1 July 2014 05:30 CEST | Original file | - |
| article xml file uploaded | 1 July 2014 05:30 CEST | Original file | https://www.mdpi.com/1420-3049/19/6/7981/xml |
| article pdf uploaded. | 12 June 2014 12:54 CEST | Version of Record | https://www.mdpi.com/1420-3049/19/6/7981/pdf |
