| article html file updated | 7 February 2020 15:44 CET | Update | https://www.mdpi.com/1996-1073/9/10/787 | 
| article html file updated | 5 May 2019 02:46 CEST | Update | - | 
| article html file updated | 28 October 2016 09:38 CEST | Update | - | 
| article html file updated | 18 October 2016 07:54 CEST | Update | - | 
| article xml uploaded. | 18 October 2016 07:53 CEST | Update | https://www.mdpi.com/1996-1073/9/10/787/xml | 
| article xml uploaded. | 18 October 2016 07:53 CEST | Update | - | 
| article pdf uploaded. | 18 October 2016 07:53 CEST | Updated version of record | https://www.mdpi.com/1996-1073/9/10/787/pdf | 
| article html file updated | 29 September 2016 03:52 CEST | Original file | - | 
| article xml uploaded. | 29 September 2016 03:51 CEST | Update | - | 
| article xml uploaded. | 29 September 2016 03:51 CEST | Original file | - | 
| article pdf uploaded. | 29 September 2016 03:51 CEST | Version of Record | https://www.mdpi.com/1996-1073/9/10/787/pdf-vor |