| article html file updated | 8 February 2020 15:59 CET | Update | https://www.mdpi.com/1422-0067/18/9/1955 |
| article html file updated | 3 May 2019 02:21 CEST | Update | - |
| article html file updated | 30 September 2017 12:21 CEST | Update | - |
| article html file updated | 12 September 2017 15:35 CEST | Original file | - |
| article xml uploaded. | 12 September 2017 15:34 CEST | Original file | https://www.mdpi.com/1422-0067/18/9/1955/xml |
| article pdf uploaded. | 12 September 2017 15:34 CEST | Version of Record | https://www.mdpi.com/1422-0067/18/9/1955/pdf |
