| article html file updated | 8 February 2020 03:35 CET | Update | https://www.mdpi.com/1422-0067/18/4/832 |
| article html file updated | 24 September 2019 07:42 CEST | Update | - |
| article html file updated | 4 May 2019 02:14 CEST | Update | - |
| article html file updated | 2 May 2017 06:10 CEST | Update | - |
| article html file updated | 14 April 2017 13:15 CEST | Original file | - |
| article xml uploaded. | 14 April 2017 13:13 CEST | Original file | https://www.mdpi.com/1422-0067/18/4/832/xml |
| article pdf uploaded. | 14 April 2017 13:13 CEST | Version of Record | https://www.mdpi.com/1422-0067/18/4/832/pdf |
