| article html file updated | 8 February 2020 03:05 CET | Update | https://www.mdpi.com/1422-0067/18/4/787 |
| article html file updated | 24 September 2019 05:04 CEST | Update | - |
| article html file updated | 4 May 2019 03:11 CEST | Update | - |
| article html file updated | 2 May 2017 06:01 CEST | Update | - |
| article html file updated | 7 April 2017 16:34 CEST | Original file | - |
| article xml uploaded. | 7 April 2017 16:32 CEST | Original file | https://www.mdpi.com/1422-0067/18/4/787/xml |
| article pdf uploaded. | 7 April 2017 16:32 CEST | Version of Record | https://www.mdpi.com/1422-0067/18/4/787/pdf |
