| article html file updated | 7 February 2020 10:10 CET | Update | https://www.mdpi.com/1422-0067/17/6/898 |
| article html file updated | 5 May 2019 12:58 CEST | Update | - |
| article html file updated | 27 March 2019 07:28 CET | Update | - |
| article html file updated | 29 June 2016 03:49 CEST | Update | - |
| article html file updated | 14 June 2016 14:14 CEST | Original file | - |
| article xml uploaded. | 14 June 2016 14:13 CEST | Original file | https://www.mdpi.com/1422-0067/17/6/898/xml |
| article pdf uploaded. | 14 June 2016 14:13 CEST | Version of Record | https://www.mdpi.com/1422-0067/17/6/898/pdf |
