| article html file updated | 6 February 2020 00:33 CET | Update | https://www.mdpi.com/2075-4698/3/1/117 |
| article html file updated | 19 September 2019 17:57 CEST | Update | N/A |
| article html file updated | 8 May 2019 08:25 CEST | Update | N/A |
| article html file updated | 20 March 2019 18:39 CET | Update | N/A |
| article html file updated | 17 June 2015 06:36 CEST | Update | N/A |
| article html file updated | 14 November 2014 11:01 CET | Original file | N/A |
| article xml file uploaded | 14 November 2014 11:01 CET | Original file | https://www.mdpi.com/2075-4698/3/1/117/xml |
| article pdf uploaded. | 15 February 2013 10:32 CET | Version of Record | https://www.mdpi.com/2075-4698/3/1/117/pdf |
