| article html file updated | 17 September 2018 06:48 CEST | Update | https://www.mdpi.com/1420-3049/21/9/1214 |
| article html file updated | 29 September 2016 08:38 CEST | Update | N/A |
| article html file updated | 10 September 2016 09:54 CEST | Original file | N/A |
| article xml uploaded. | 10 September 2016 09:52 CEST | Update | https://www.mdpi.com/1420-3049/21/9/1214/xml |
| article xml uploaded. | 10 September 2016 09:52 CEST | Original file | N/A |
| article pdf uploaded. | 10 September 2016 09:52 CEST | Version of Record | https://www.mdpi.com/1420-3049/21/9/1214/pdf |
