| article html file updated | 7 February 2020 01:11 CET | Update | https://www.mdpi.com/1996-1073/8/11/12352 |
| article html file updated | 6 May 2019 06:53 CEST | Update | N/A |
| article html file updated | 26 March 2019 14:54 CET | Original file | N/A |
| article pdf uploaded. | 23 November 2015 06:53 CET | Updated version of record | https://www.mdpi.com/1996-1073/8/11/12352/pdf |
| article pdf uploaded. | 20 November 2015 14:22 CET | Version of Record | https://www.mdpi.com/1996-1073/8/11/12352/pdf-vor |
| article xml uploaded. | 20 November 2015 14:22 CET | Original file | https://www.mdpi.com/1996-1073/8/11/12352/xml |
