| article html file updated | 6 February 2020 14:32 CET | Update | https://www.mdpi.com/1420-3049/19/12/21239 |
| article html file updated | 20 September 2019 16:06 CEST | Update | - |
| article html file updated | 7 May 2019 03:49 CEST | Update | - |
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| article html file updated | 14 September 2018 09:51 CEST | Update | - |
| article html file updated | 21 August 2015 04:20 CEST | Update | - |
| article html file updated | 4 January 2015 11:51 CET | Original file | - |
| article xml file uploaded | 4 January 2015 11:51 CET | Original file | https://www.mdpi.com/1420-3049/19/12/21239/xml |
| article pdf uploaded. | 17 December 2014 12:52 CET | Version of Record | https://www.mdpi.com/1420-3049/19/12/21239/pdf |
