| article html file updated | 6 February 2020 08:31 CET | Update | https://www.mdpi.com/2075-4698/4/2/127 |
| article html file updated | 20 September 2019 07:17 CEST | Update | N/A |
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| article html file updated | 21 March 2019 15:20 CET | Update | N/A |
| article html file updated | 20 August 2015 02:52 CEST | Update | N/A |
| article html file updated | 24 June 2014 12:24 CEST | Original file | N/A |
| article xml file uploaded | 24 June 2014 12:24 CEST | Original file | https://www.mdpi.com/2075-4698/4/2/127/xml |
| article pdf uploaded. | 10 April 2014 14:01 CEST | Version of Record | https://www.mdpi.com/2075-4698/4/2/127/pdf |
