| article html file updated | 8 February 2020 07:11 CET | Update | https://www.mdpi.com/1422-0067/18/6/1176 |
| article html file updated | 25 September 2019 02:49 CEST | Update | - |
| article html file updated | 3 May 2019 19:30 CEST | Update | - |
| article html file updated | 28 June 2017 13:25 CEST | Update | - |
| article html file updated | 7 June 2017 05:07 CEST | Original file | - |
| article xml uploaded. | 7 June 2017 05:06 CEST | Update | https://www.mdpi.com/1422-0067/18/6/1176/xml |
| article pdf uploaded. | 1 June 2017 13:26 CEST | Version of Record | https://www.mdpi.com/1422-0067/18/6/1176/pdf |
