| article html file updated | 6 February 2020 23:33 CET | Update | https://www.mdpi.com/2075-4701/5/4/1878 |
| article html file updated | 6 May 2019 09:48 CEST | Update | - |
| article html file updated | 26 March 2019 12:09 CET | Update | - |
| article html file updated | 29 October 2015 14:00 CET | Original file | - |
| article xml file uploaded | 29 October 2015 14:00 CET | Original file | https://www.mdpi.com/2075-4701/5/4/1878/xml |
| article pdf uploaded. | 22 October 2015 10:12 CEST | Updated version of record | https://www.mdpi.com/2075-4701/5/4/1878/pdf |
| article pdf uploaded. | 14 October 2015 02:50 CEST | Updated version of record | https://www.mdpi.com/2075-4701/5/4/1878/pdf-vor |
| article pdf uploaded. | 9 October 2015 11:49 CEST | Version of Record | https://www.mdpi.com/2075-4701/5/4/1878/pdf-vor |
