| article html file updated | 8 February 2020 03:12 CET | Update | https://www.mdpi.com/1422-0067/18/4/784 |
| article html file updated | 24 September 2019 05:37 CEST | Update | - |
| article html file updated | 4 May 2019 02:58 CEST | Update | - |
| article html file updated | 2 May 2017 06:01 CEST | Update | - |
| article html file updated | 9 April 2017 07:30 CEST | Original file | - |
| article xml uploaded. | 9 April 2017 07:29 CEST | Original file | https://www.mdpi.com/1422-0067/18/4/784/xml |
| article pdf uploaded. | 9 April 2017 07:29 CEST | Version of Record | https://www.mdpi.com/1422-0067/18/4/784/pdf |
