| article html file updated | 8 February 2020 00:22 CET | Update | https://www.mdpi.com/2218-0532/85/1/8 |
| article html file updated | 23 September 2019 13:28 CEST | Update | - |
| article html file updated | 4 May 2019 09:12 CEST | Update | - |
| article html file updated | 31 March 2017 04:48 CEST | Update | - |
| article html file updated | 27 February 2017 12:04 CET | Original file | - |
| article xml uploaded. | 27 February 2017 12:03 CET | Original file | https://www.mdpi.com/2218-0532/85/1/8/xml |
| article pdf uploaded. | 27 February 2017 12:03 CET | Version of Record | https://www.mdpi.com/2218-0532/85/1/8/pdf |
