| article html file updated | 6 February 2020 19:07 CET | Update | https://www.mdpi.com/1420-3049/20/6/9906 |
| article html file updated | 20 September 2019 22:01 CEST | Update | - |
| article html file updated | 6 May 2019 18:57 CEST | Update | - |
| article html file updated | 26 March 2019 03:39 CET | Update | - |
| article html file updated | 17 September 2018 07:57 CEST | Update | - |
| article html file updated | 21 August 2015 12:46 CEST | Update | - |
| article html file updated | 15 July 2015 05:34 CEST | Original file | - |
| article xml file uploaded | 15 July 2015 05:34 CEST | Original file | https://www.mdpi.com/1420-3049/20/6/9906/xml |
| article pdf uploaded. | 28 May 2015 11:13 CEST | Version of Record | https://www.mdpi.com/1420-3049/20/6/9906/pdf |
