| article html file updated | 10 February 2020 21:03 CET | Update | https://www.mdpi.com/2218-6581/7/4/71 |
| article html file updated | 10 October 2019 09:09 CEST | Update | - |
| article html file updated | 28 April 2019 08:58 CEST | Update | - |
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| article html file updated | 25 December 2018 03:46 CET | Update | - |
| article html file updated | 13 November 2018 08:50 CET | Original file | - |
| article pdf uploaded. | 13 November 2018 08:48 CET | Version of Record | https://www.mdpi.com/2218-6581/7/4/71/pdf |
| article xml uploaded. | 13 November 2018 08:48 CET | Update | https://www.mdpi.com/2218-6581/7/4/71/xml |
| article xml file uploaded | 13 November 2018 08:48 CET | Original file | - |
