| article html file updated | 17 September 2018 06:47 CEST | Update | https://www.mdpi.com/1420-3049/21/9/1209 |
| article html file updated | 29 September 2016 08:37 CEST | Update | - |
| article html file updated | 13 September 2016 13:04 CEST | Original file | - |
| article xml uploaded. | 13 September 2016 13:03 CEST | Update | https://www.mdpi.com/1420-3049/21/9/1209/xml |
| article xml uploaded. | 13 September 2016 13:03 CEST | Original file | - |
| article pdf uploaded. | 13 September 2016 13:03 CEST | Version of Record | https://www.mdpi.com/1420-3049/21/9/1209/pdf |
