| article html file updated | 6 February 2020 14:07 CET | Update | https://www.mdpi.com/1420-3049/19/12/20197 |
| article html file updated | 20 September 2019 15:36 CEST | Update | - |
| article html file updated | 7 May 2019 04:37 CEST | Update | - |
| article html file updated | 25 March 2019 18:41 CET | Update | - |
| article html file updated | 14 September 2018 09:31 CEST | Update | - |
| article html file updated | 21 August 2015 03:12 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/1420-3049/19/12/20197/xml |
| article pdf uploaded. | 2 December 2014 12:58 CET | Version of Record | https://www.mdpi.com/1420-3049/19/12/20197/pdf |
