| article html file updated | 7 February 2020 15:07 CET | Update | https://www.mdpi.com/1422-0067/17/9/1572 |
| article html file updated | 5 May 2019 03:51 CEST | Update | - |
| article html file updated | 27 September 2016 06:26 CEST | Update | - |
| article html file updated | 19 September 2016 08:39 CEST | Original file | - |
| article xml uploaded. | 19 September 2016 08:38 CEST | Original file | https://www.mdpi.com/1422-0067/17/9/1572/xml |
| article pdf uploaded. | 19 September 2016 08:38 CEST | Version of Record | https://www.mdpi.com/1422-0067/17/9/1572/pdf |
