| article html file updated | 6 February 2020 02:43 CET | Update | https://www.mdpi.com/1420-3049/18/6/7239 |
| article html file updated | 19 September 2019 21:57 CEST | Update | N/A |
| article html file updated | 8 May 2019 03:52 CEST | Update | N/A |
| article html file updated | 21 March 2019 00:02 CET | Update | N/A |
| article html file updated | 17 September 2018 06:42 CEST | Update | N/A |
| article html file updated | 26 April 2016 12:52 CEST | Original file | N/A |
| article pdf uploaded. | 19 June 2013 15:47 CEST | Version of Record | https://www.mdpi.com/1420-3049/18/6/7239/pdf |
