| article html file updated | 6 February 2020 08:38 CET | Update | https://www.mdpi.com/2077-0383/3/2/416 |
| article html file updated | 7 May 2019 15:48 CEST | Update | N/A |
| article html file updated | 21 March 2019 15:37 CET | Update | N/A |
| article html file updated | 20 August 2015 03:27 CEST | Update | N/A |
| article html file updated | 16 December 2014 04:50 CET | Update | N/A |
| article xml file uploaded | 16 December 2014 04:50 CET | Update | https://www.mdpi.com/2077-0383/3/2/416/xml |
| article html file updated | 10 December 2014 09:53 CET | Original file | N/A |
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| article pdf uploaded. | 16 April 2014 11:15 CEST | Version of Record | https://www.mdpi.com/2077-0383/3/2/416/pdf |
