| article html file updated | 8 February 2020 08:39 CET | Update | https://www.mdpi.com/2073-4352/7/6/177 |
| article html file updated | 25 September 2019 10:21 CEST | Update | - |
| article html file updated | 3 May 2019 16:46 CEST | Update | - |
| article html file updated | 30 June 2017 22:45 CEST | Update | - |
| article html file updated | 19 June 2017 08:47 CEST | Original file | - |
| article xml uploaded. | 19 June 2017 08:45 CEST | Original file | https://www.mdpi.com/2073-4352/7/6/177/xml |
| article pdf uploaded. | 19 June 2017 08:45 CEST | Version of Record | https://www.mdpi.com/2073-4352/7/6/177/pdf |
