| article html file updated | 7 February 2020 14:55 CET | Update | https://www.mdpi.com/2073-4352/6/9/116 |
| article html file updated | 5 May 2019 04:13 CEST | Update | N/A |
| article html file updated | 28 September 2016 11:37 CEST | Update | N/A |
| article html file updated | 13 September 2016 11:58 CEST | Original file | N/A |
| article xml uploaded. | 13 September 2016 11:56 CEST | Update | https://www.mdpi.com/2073-4352/6/9/116/xml |
| article xml uploaded. | 13 September 2016 11:56 CEST | Original file | N/A |
| article pdf uploaded. | 13 September 2016 11:56 CEST | Version of Record | https://www.mdpi.com/2073-4352/6/9/116/pdf |
