| article html file updated | 17 September 2018 05:14 CEST | Update | https://www.mdpi.com/1420-3049/21/8/1087 |
| article html file updated | 26 August 2016 10:04 CEST | Update | N/A |
| article html file updated | 19 August 2016 14:06 CEST | Original file | N/A |
| article xml uploaded. | 19 August 2016 14:05 CEST | Update | https://www.mdpi.com/1420-3049/21/8/1087/xml |
| article xml uploaded. | 19 August 2016 14:05 CEST | Original file | N/A |
| article pdf uploaded. | 19 August 2016 14:05 CEST | Version of Record | https://www.mdpi.com/1420-3049/21/8/1087/pdf |
