| article html file updated | 6 February 2020 19:45 CET | Update | https://www.mdpi.com/2079-4983/6/2/407 |
| article html file updated | 20 September 2019 22:55 CEST | Update | N/A |
| article html file updated | 6 May 2019 17:39 CEST | Update | N/A |
| article html file updated | 26 March 2019 04:51 CET | Update | N/A |
| article html file updated | 11 December 2018 09:09 CET | Update | N/A |
| article html file updated | 21 August 2015 13:43 CEST | Update | N/A |
| article html file updated | 8 July 2015 09:58 CEST | Original file | N/A |
| article xml file uploaded | 8 July 2015 09:58 CEST | Original file | https://www.mdpi.com/2079-4983/6/2/407/xml |
| article pdf uploaded. | 16 June 2015 14:26 CEST | Version of Record | https://www.mdpi.com/2079-4983/6/2/407/pdf |
