| article html file updated | 17 September 2018 06:33 CEST | Update | https://www.mdpi.com/1420-3049/21/9/1173 |
| article html file updated | 29 September 2016 08:33 CEST | Update | - |
| article html file updated | 3 September 2016 12:42 CEST | Original file | - |
| article xml uploaded. | 3 September 2016 12:40 CEST | Original file | https://www.mdpi.com/1420-3049/21/9/1173/xml |
| article pdf uploaded. | 3 September 2016 12:40 CEST | Version of Record | https://www.mdpi.com/1420-3049/21/9/1173/pdf |
