| article html file updated | 6 February 2020 04:53 CET | Update | https://www.mdpi.com/1996-1073/6/10/5259 |
| article html file updated | 7 May 2019 23:20 CEST | Update | - |
| article html file updated | 21 March 2019 05:56 CET | Update | - |
| article html file updated | 21 July 2017 06:07 CEST | Update | - |
| article html file updated | 21 July 2017 06:06 CEST | Update | - |
| article html file updated | 21 July 2017 06:05 CEST | Original file | - |
| article xml uploaded. | 21 July 2017 06:04 CEST | Original file | https://www.mdpi.com/1996-1073/6/10/5259/xml |
| article pdf uploaded. | 15 October 2013 15:07 CEST | Version of Record | https://www.mdpi.com/1996-1073/6/10/5259/pdf |
