| article html file updated | 8 February 2020 14:51 CET | Update | https://www.mdpi.com/1422-0067/18/9/1873 |
| article html file updated | 26 September 2019 20:17 CEST | Update | - |
| article html file updated | 3 May 2019 04:27 CEST | Update | - |
| article html file updated | 30 September 2017 12:10 CEST | Update | - |
| article html file updated | 30 August 2017 12:27 CEST | Original file | - |
| article xml uploaded. | 30 August 2017 12:26 CEST | Original file | https://www.mdpi.com/1422-0067/18/9/1873/xml |
| article pdf uploaded. | 30 August 2017 12:26 CEST | Version of Record | https://www.mdpi.com/1422-0067/18/9/1873/pdf |
