| article html file updated | 6 February 2020 17:17 CET | Update | https://www.mdpi.com/2073-4352/5/2/193 | 
| article html file updated | 6 May 2019 22:37 CEST | Update | - | 
| article html file updated | 26 March 2019 00:03 CET | Update | - | 
| article html file updated | 21 August 2015 09:55 CEST | Update | - | 
| article html file updated | 30 June 2015 08:04 CEST | Original file | - | 
| article xml file uploaded | 30 June 2015 08:04 CEST | Original file | https://www.mdpi.com/2073-4352/5/2/193/xml | 
| article pdf uploaded. | 17 April 2015 08:29 CEST | Updated version of record | https://www.mdpi.com/2073-4352/5/2/193/pdf | 
| article supplementary file uploaded. | 2 April 2015 15:29 CEST | - | https://www.mdpi.com/2073-4352/5/2/193#supplementary | 
| article pdf uploaded. | 2 April 2015 15:29 CEST | Version of Record | https://www.mdpi.com/2073-4352/5/2/193/pdf-vor |