| article html file updated | 6 February 2020 02:30 CET | Update | https://www.mdpi.com/2075-4426/3/2/102 |
| article html file updated | 19 September 2019 21:31 CEST | Update | - |
| article html file updated | 8 May 2019 04:19 CEST | Update | - |
| article html file updated | 20 March 2019 23:30 CET | Update | - |
| article html file updated | 17 June 2015 10:02 CEST | Update | - |
| article html file updated | 21 July 2014 03:41 CEST | Original file | - |
| article xml file uploaded | 21 July 2014 03:41 CEST | Original file | https://www.mdpi.com/2075-4426/3/2/102/xml |
| article pdf uploaded. | 6 June 2013 09:48 CEST | Version of Record | https://www.mdpi.com/2075-4426/3/2/102/pdf |
