| article html file updated | 6 February 2020 23:03 CET | Update | https://www.mdpi.com/1999-4923/7/3/344 |
| article html file updated | 6 May 2019 10:49 CEST | Update | - |
| article html file updated | 26 March 2019 11:13 CET | Update | - |
| article html file updated | 30 September 2015 08:31 CEST | Original file | - |
| article xml file uploaded | 30 September 2015 08:31 CEST | Original file | https://www.mdpi.com/1999-4923/7/3/344/xml |
| article pdf uploaded. | 21 September 2015 14:08 CEST | Version of Record | https://www.mdpi.com/1999-4923/7/3/344/pdf |
