| article html file updated | 8 February 2020 03:00 CET | Update | https://www.mdpi.com/1422-0067/18/4/779 |
| article html file updated | 24 September 2019 04:29 CEST | Update | - |
| article html file updated | 4 May 2019 03:23 CEST | Update | - |
| article html file updated | 2 May 2017 06:00 CEST | Update | - |
| article html file updated | 12 April 2017 10:59 CEST | Original file | - |
| article xml uploaded. | 12 April 2017 10:57 CEST | Original file | https://www.mdpi.com/1422-0067/18/4/779/xml |
| article pdf uploaded. | 12 April 2017 10:57 CEST | Updated version of record | https://www.mdpi.com/1422-0067/18/4/779/pdf |
| article pdf uploaded. | 6 April 2017 10:51 CEST | Version of Record | https://www.mdpi.com/1422-0067/18/4/779/pdf-vor |
