| article html file updated | 7 February 2020 16:59 CET | Update | https://www.mdpi.com/2226-471X/1/2/11 |
| article html file updated | 22 September 2019 03:57 CEST | Update | - |
| article html file updated | 5 May 2019 00:26 CEST | Update | - |
| article html file updated | 29 June 2017 13:18 CEST | Update | - |
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| article html file updated | 26 October 2016 09:54 CEST | Original file | - |
| article xml uploaded. | 26 October 2016 09:52 CEST | Original file | https://www.mdpi.com/2226-471X/1/2/11/xml |
| article pdf uploaded. | 26 October 2016 09:52 CEST | Version of Record | https://www.mdpi.com/2226-471X/1/2/11/pdf |
