| article html file updated | 7 February 2020 09:04 CET | Update | https://www.mdpi.com/2073-4352/6/5/63 |
| article html file updated | 5 May 2019 15:05 CEST | Update | - |
| article html file updated | 27 March 2019 05:22 CET | Update | - |
| article html file updated | 26 May 2016 12:35 CEST | Update | - |
| article html file updated | 20 May 2016 14:55 CEST | Original file | - |
| article xml uploaded. | 20 May 2016 14:53 CEST | Original file | https://www.mdpi.com/2073-4352/6/5/63/xml |
| article pdf uploaded. | 20 May 2016 14:53 CEST | Version of Record | https://www.mdpi.com/2073-4352/6/5/63/pdf |
