| article html file updated | 7 February 2020 09:07 CET | Update | https://www.mdpi.com/2227-7099/4/2/11 |
| article html file updated | 21 September 2019 17:41 CEST | Update | N/A |
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| article html file updated | 27 March 2019 05:28 CET | Update | N/A |
| article html file updated | 28 June 2016 09:15 CEST | Update | N/A |
| article html file updated | 23 May 2016 14:45 CEST | Original file | N/A |
| article xml uploaded. | 23 May 2016 14:44 CEST | Original file | https://www.mdpi.com/2227-7099/4/2/11/xml |
| article pdf uploaded. | 23 May 2016 14:44 CEST | Version of Record | https://www.mdpi.com/2227-7099/4/2/11/pdf |
