| article html file updated | 8 February 2020 07:40 CET | Update | https://www.mdpi.com/2073-4344/7/6/179 |
| article html file updated | 25 September 2019 05:15 CEST | Update | - |
| article html file updated | 3 May 2019 18:37 CEST | Update | - |
| article html file updated | 27 June 2017 09:59 CEST | Update | - |
| article html file updated | 9 June 2017 03:30 CEST | Original file | - |
| article xml uploaded. | 9 June 2017 03:29 CEST | Original file | https://www.mdpi.com/2073-4344/7/6/179/xml |
| article pdf uploaded. | 9 June 2017 03:29 CEST | Updated version of record | https://www.mdpi.com/2073-4344/7/6/179/pdf |
| article pdf uploaded. | 7 June 2017 11:57 CEST | Version of Record | https://www.mdpi.com/2073-4344/7/6/179/pdf-vor |
