| article html file updated | 7 February 2020 07:30 CET | Update | https://www.mdpi.com/1422-0067/17/4/592 |
| article html file updated | 5 May 2019 18:11 CEST | Update | - |
| article html file updated | 27 March 2019 02:20 CET | Update | - |
| article html file updated | 28 April 2016 05:25 CEST | Update | - |
| article html file updated | 19 April 2016 14:25 CEST | Original file | - |
| article xml uploaded. | 19 April 2016 14:23 CEST | Original file | https://www.mdpi.com/1422-0067/17/4/592/xml |
| article pdf uploaded. | 19 April 2016 14:23 CEST | Version of Record | https://www.mdpi.com/1422-0067/17/4/592/pdf |
