| article html file updated | 11 February 2020 17:20 CET | Update | https://www.mdpi.com/2218-6581/8/1/15 |
| article html file updated | 15 October 2019 07:41 CEST | Update | - |
| article html file updated | 26 April 2019 14:02 CEST | Update | - |
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| article html file updated | 1 March 2019 06:52 CET | Update | - |
| article html file updated | 20 February 2019 10:08 CET | Original file | - |
| article pdf uploaded. | 20 February 2019 10:05 CET | Version of Record | https://www.mdpi.com/2218-6581/8/1/15/pdf |
| article xml uploaded. | 20 February 2019 10:05 CET | Update | https://www.mdpi.com/2218-6581/8/1/15/xml |
| article xml file uploaded | 20 February 2019 10:05 CET | Original file | - |
