| article html file updated | 6 February 2020 14:16 CET | Update | https://www.mdpi.com/1420-3049/19/12/20557 |
| article html file updated | 7 May 2019 04:21 CEST | Update | N/A |
| article html file updated | 25 March 2019 18:54 CET | Update | N/A |
| article html file updated | 14 September 2018 09:41 CEST | Update | N/A |
| article html file updated | 21 August 2015 03:42 CEST | Update | N/A |
| article html file updated | 4 January 2015 11:50 CET | Original file | N/A |
| article xml file uploaded | 4 January 2015 11:50 CET | Original file | https://www.mdpi.com/1420-3049/19/12/20557/xml |
| article pdf uploaded. | 8 December 2014 14:42 CET | Version of Record | https://www.mdpi.com/1420-3049/19/12/20557/pdf |
