| article html file updated | 7 February 2020 17:10 CET | Update | https://www.mdpi.com/2075-4701/6/11/258 |
| article html file updated | 5 May 2019 00:07 CEST | Update | N/A |
| article html file updated | 30 November 2016 05:18 CET | Update | N/A |
| article html file updated | 28 October 2016 13:19 CEST | Original file | N/A |
| article xml uploaded. | 28 October 2016 13:06 CEST | Update | https://www.mdpi.com/2075-4701/6/11/258/xml |
| article xml uploaded. | 28 October 2016 13:06 CEST | Update | N/A |
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| article pdf uploaded. | 28 October 2016 13:06 CEST | Version of Record | https://www.mdpi.com/2075-4701/6/11/258/pdf |