| article html file updated | 6 February 2020 04:22 CET | Update | https://www.mdpi.com/1420-3049/18/9/11327 | 
| article html file updated | 20 September 2019 01:01 CEST | Update | - | 
| article html file updated | 8 May 2019 00:29 CEST | Update | - | 
| article html file updated | 21 March 2019 04:31 CET | Update | - | 
| article html file updated | 14 September 2018 09:01 CEST | Original file | - | 
| article pdf uploaded. | 17 September 2013 17:44 CEST | Updated version of record | https://www.mdpi.com/1420-3049/18/9/11327/pdf | 
| article supplementary file uploaded. | 13 September 2013 11:51 CEST | - | https://www.mdpi.com/1420-3049/18/9/11327#supplementary | 
| article pdf uploaded. | 13 September 2013 11:51 CEST | Version of Record | https://www.mdpi.com/1420-3049/18/9/11327/pdf-vor |