| article html file updated | 6 February 2020 14:21 CET | Update | https://www.mdpi.com/1420-3049/19/12/20671 |
| article html file updated | 20 September 2019 15:52 CEST | Update | - |
| article html file updated | 7 May 2019 04:10 CEST | Update | - |
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| article html file updated | 14 September 2018 09:43 CEST | Update | - |
| article html file updated | 21 August 2015 03:53 CEST | Update | - |
| article html file updated | 4 January 2015 11:50 CET | Original file | - |
| article xml file uploaded | 4 January 2015 11:50 CET | Original file | https://www.mdpi.com/1420-3049/19/12/20671/xml |
| article pdf uploaded. | 10 December 2014 14:24 CET | Version of Record | https://www.mdpi.com/1420-3049/19/12/20671/pdf |
