| article html file updated | 17 September 2018 04:27 CEST | Update | https://www.mdpi.com/1420-3049/21/8/972 |
| article html file updated | 26 August 2016 09:16 CEST | Update | N/A |
| article html file updated | 26 July 2016 09:20 CEST | Original file | N/A |
| article xml uploaded. | 26 July 2016 09:19 CEST | Original file | https://www.mdpi.com/1420-3049/21/8/972/xml |
| article pdf uploaded. | 26 July 2016 09:19 CEST | Version of Record | https://www.mdpi.com/1420-3049/21/8/972/pdf |
