| article html file updated | 8 February 2020 07:36 CET | Update | https://www.mdpi.com/1422-0067/18/6/1207 |
| article html file updated | 25 September 2019 04:56 CEST | Update | - |
| article html file updated | 3 May 2019 18:44 CEST | Update | - |
| article html file updated | 28 June 2017 13:29 CEST | Update | - |
| article html file updated | 6 June 2017 13:27 CEST | Original file | - |
| article xml uploaded. | 6 June 2017 13:26 CEST | Original file | https://www.mdpi.com/1422-0067/18/6/1207/xml |
| article pdf uploaded. | 6 June 2017 13:26 CEST | Version of Record | https://www.mdpi.com/1422-0067/18/6/1207/pdf |
