| article html file updated | 8 February 2020 15:45 CET | Update | https://www.mdpi.com/1422-0067/18/9/1940 |
| article html file updated | 27 September 2019 01:08 CEST | Update | - |
| article html file updated | 3 May 2019 02:46 CEST | Update | - |
| article html file updated | 30 September 2017 12:19 CEST | Update | - |
| article html file updated | 9 September 2017 11:18 CEST | Original file | - |
| article xml uploaded. | 9 September 2017 11:16 CEST | Original file | https://www.mdpi.com/1422-0067/18/9/1940/xml |
| article pdf uploaded. | 9 September 2017 11:16 CEST | Version of Record | https://www.mdpi.com/1422-0067/18/9/1940/pdf |
