| article html file updated | 7 February 2020 06:45 CET | Update | https://www.mdpi.com/1422-0067/17/4/486 |
| article html file updated | 5 May 2019 19:43 CEST | Update | - |
| article html file updated | 27 March 2019 00:55 CET | Update | - |
| article html file updated | 28 April 2016 04:54 CEST | Update | - |
| article html file updated | 1 April 2016 15:07 CEST | Original file | - |
| article xml uploaded. | 1 April 2016 15:06 CEST | Original file | https://www.mdpi.com/1422-0067/17/4/486/xml |
| article pdf uploaded. | 1 April 2016 15:06 CEST | Version of Record | https://www.mdpi.com/1422-0067/17/4/486/pdf |
