| article html file updated | 6 February 2020 01:22 CET | Update | https://www.mdpi.com/1420-3049/18/4/4002 |
| article html file updated | 19 September 2019 19:26 CEST | Update | - |
| 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 10:17 CEST | Original file | - |
| article pdf uploaded. | 4 April 2013 09:25 CEST | Version of Record | https://www.mdpi.com/1420-3049/18/4/4002/pdf |
