| article html file updated | 7 February 2020 18:27 CET | Update | https://www.mdpi.com/2073-4352/6/11/156 |
| article html file updated | 4 May 2019 21:40 CEST | Update | N/A |
| article html file updated | 30 November 2016 06:50 CET | Update | N/A |
| article html file updated | 23 November 2016 08:36 CET | Original file | N/A |
| article xml uploaded. | 23 November 2016 08:34 CET | Update | https://www.mdpi.com/2073-4352/6/11/156/xml |
| article xml uploaded. | 23 November 2016 08:34 CET | Update | N/A |
| article xml uploaded. | 23 November 2016 08:34 CET | Original file | N/A |
| article pdf uploaded. | 23 November 2016 08:34 CET | Version of Record | https://www.mdpi.com/2073-4352/6/11/156/pdf |
