| article html file updated | 6 February 2020 01:34 CET | Update | https://www.mdpi.com/1420-3049/18/4/4544 |
| article html file updated | 19 September 2019 19:43 CEST | Update | N/A |
| article html file updated | 8 May 2019 06:10 CEST | Update | N/A |
| article html file updated | 20 March 2019 21:08 CET | Update | N/A |
| article html file updated | 17 September 2018 10:42 CEST | Original file | N/A |
| article pdf uploaded. | 17 April 2013 10:41 CEST | Version of Record | https://www.mdpi.com/1420-3049/18/4/4544/pdf |
