| article html file updated | 8 February 2020 03:34 CET | Update | https://www.mdpi.com/1422-0067/18/4/829 |
| article html file updated | 24 September 2019 07:39 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 10:05 CEST | Original file | - |
| article xml uploaded. | 14 April 2017 10:03 CEST | Update | https://www.mdpi.com/1422-0067/18/4/829/xml |
| article pdf uploaded. | 14 April 2017 10:03 CEST | Version of Record | https://www.mdpi.com/1422-0067/18/4/829/pdf |
