| article html file updated | 7 February 2020 07:01 CET | Update | https://new.mdpi.com/1420-3049/21/4/417 |
| article html file updated | 21 September 2019 14:48 CEST | Update | - |
| article html file updated | 5 May 2019 19:10 CEST | Update | - |
| article html file updated | 27 March 2019 01:24 CET | Update | - |
| article html file updated | 17 September 2018 03:41 CEST | Update | - |
| article html file updated | 28 April 2016 11:30 CEST | Update | - |
| article html file updated | 8 April 2016 12:05 CEST | Original file | - |
| article xml uploaded. | 8 April 2016 12:03 CEST | Original file | https://new.mdpi.com/1420-3049/21/4/417/xml |
| article pdf uploaded. | 8 April 2016 12:03 CEST | Version of Record | https://new.mdpi.com/1420-3049/21/4/417/pdf |
