| article html file updated | 6 February 2020 07:52 CET | Update | https://www.mdpi.com/1420-3049/19/3/3120 |
| article html file updated | 20 September 2019 06:31 CEST | Update | - |
| article html file updated | 7 May 2019 17:24 CEST | Update | - |
| article html file updated | 21 March 2019 13:47 CET | Update | - |
| article html file updated | 12 September 2018 05:32 CEST | Update | - |
| article html file updated | 19 August 2015 23:31 CEST | Original file | - |
| article pdf uploaded. | 12 March 2014 11:18 CET | Version of Record | https://www.mdpi.com/1420-3049/19/3/3120/pdf |
