| article html file updated | 8 February 2020 02:50 CET | Update | https://www.mdpi.com/1422-0067/18/4/759 |
| article html file updated | 24 September 2019 03:37 CEST | Update | - |
| article html file updated | 4 May 2019 03:45 CEST | Update | - |
| article html file updated | 2 May 2017 05:57 CEST | Update | - |
| article html file updated | 7 April 2017 06:15 CEST | Original file | - |
| article xml uploaded. | 7 April 2017 06:14 CEST | Original file | https://www.mdpi.com/1422-0067/18/4/759/xml |
| article pdf uploaded. | 7 April 2017 06:14 CEST | Updated version of record | https://www.mdpi.com/1422-0067/18/4/759/pdf |
| article pdf uploaded. | 3 April 2017 09:12 CEST | Version of Record | https://www.mdpi.com/1422-0067/18/4/759/pdf-vor |
