| article html file updated | 7 February 2020 13:37 CET | Update | https://www.mdpi.com/1996-1073/9/8/663 | 
| article html file updated | 5 May 2019 06:35 CEST | Update | - | 
| article html file updated | 27 March 2019 14:13 CET | Update | - | 
| article html file updated | 23 June 2017 03:15 CEST | Update | - | 
| article xml uploaded. | 23 June 2017 03:13 CEST | Update | https://www.mdpi.com/1996-1073/9/8/663/xml | 
| article pdf uploaded. | 23 June 2017 03:13 CEST | Updated version of record | https://www.mdpi.com/1996-1073/9/8/663/pdf | 
| Correction published | 21 June 2017 00:00 CEST | Correction | http://www.mdpi.com/1996-1073/10/6/829 | 
| article html file updated | 25 August 2016 11:41 CEST | Update | - | 
| article html file updated | 20 August 2016 07:31 CEST | Original file | - | 
| article xml uploaded. | 20 August 2016 07:29 CEST | Original file | - | 
| article pdf uploaded. | 20 August 2016 07:29 CEST | Version of Record | https://www.mdpi.com/1996-1073/9/8/663/pdf-vor |