| article html file updated | 7 February 2020 16:42 CET | Update | https://www.mdpi.com/1422-0067/17/10/1691 |
| article html file updated | 5 May 2019 01:00 CEST | Update | - |
| article html file updated | 31 October 2016 07:46 CET | Update | - |
| article html file updated | 20 October 2016 12:28 CEST | Original file | - |
| article xml uploaded. | 20 October 2016 12:26 CEST | Update | https://www.mdpi.com/1422-0067/17/10/1691/xml |
| article xml uploaded. | 20 October 2016 12:26 CEST | Original file | - |
| article pdf uploaded. | 20 October 2016 12:26 CEST | Version of Record | https://www.mdpi.com/1422-0067/17/10/1691/pdf |
