| article html file updated | 7 February 2020 12:42 CET | Update | https://www.mdpi.com/2073-4344/6/8/115 |
| article html file updated | 5 May 2019 08:16 CEST | Update | - |
| article html file updated | 27 March 2019 12:12 CET | Update | - |
| article html file updated | 25 August 2016 11:42 CEST | Update | - |
| article html file updated | 2 August 2016 10:37 CEST | Original file | - |
| article xml uploaded. | 2 August 2016 10:35 CEST | Original file | https://www.mdpi.com/2073-4344/6/8/115/xml |
| article pdf uploaded. | 2 August 2016 10:35 CEST | Version of Record | https://www.mdpi.com/2073-4344/6/8/115/pdf |
