| article html file updated | 6 February 2020 01:22 CET | Update | https://www.mdpi.com/1420-3049/18/4/3972 |
| article html file updated | 8 May 2019 06:34 CEST | Update | - |
| article html file updated | 20 March 2019 20:40 CET | Update | - |
| article html file updated | 17 September 2018 10:16 CEST | Original file | - |
| article pdf uploaded. | 4 April 2013 09:19 CEST | Version of Record | https://www.mdpi.com/1420-3049/18/4/3972/pdf |
