| article html file updated | 8 February 2020 03:31 CET | Update | https://www.mdpi.com/1422-0067/18/4/827 |
| article html file updated | 4 May 2019 02:20 CEST | Update | - |
| article html file updated | 2 May 2017 06:09 CEST | Update | - |
| article html file updated | 14 April 2017 07:57 CEST | Original file | - |
| article xml uploaded. | 14 April 2017 07:55 CEST | Original file | https://www.mdpi.com/1422-0067/18/4/827/xml |
| article pdf uploaded. | 14 April 2017 07:55 CEST | Updated version of record | https://www.mdpi.com/1422-0067/18/4/827/pdf |
| article pdf uploaded. | 13 April 2017 15:41 CEST | Version of Record | https://www.mdpi.com/1422-0067/18/4/827/pdf-vor |
