| article html file updated | 17 September 2018 07:02 CEST | Update | https://www.mdpi.com/1420-3049/21/9/1254 |
| article html file updated | 29 September 2016 08:42 CEST | Update | N/A |
| article html file updated | 20 September 2016 11:30 CEST | Original file | N/A |
| article xml uploaded. | 20 September 2016 11:29 CEST | Update | https://www.mdpi.com/1420-3049/21/9/1254/xml |
| article xml uploaded. | 20 September 2016 11:29 CEST | Original file | N/A |
| article pdf uploaded. | 20 September 2016 11:29 CEST | Version of Record | https://www.mdpi.com/1420-3049/21/9/1254/pdf |
