| article html file updated | 7 February 2020 09:02 CET | Update | https://www.mdpi.com/2073-4344/6/5/75 |
| article html file updated | 5 May 2019 15:09 CEST | Update | - |
| article html file updated | 27 March 2019 05:19 CET | Update | - |
| article html file updated | 26 May 2016 12:24 CEST | Update | - |
| article html file updated | 20 May 2016 11:29 CEST | Original file | - |
| article xml uploaded. | 20 May 2016 11:27 CEST | Original file | https://www.mdpi.com/2073-4344/6/5/75/xml |
| article pdf uploaded. | 20 May 2016 11:27 CEST | Version of Record | https://www.mdpi.com/2073-4344/6/5/75/pdf |
