| article html file updated | 9 February 2020 00:39 CET | Update | https://www.mdpi.com/2227-9717/5/4/86 |
| article html file updated | 29 September 2019 08:35 CEST | Update | - |
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| article html file updated | 18 April 2019 05:11 CEST | Update | - |
| article html file updated | 2 January 2018 12:13 CET | Update | - |
| article html file updated | 20 December 2017 11:00 CET | Original file | - |
| article xml uploaded. | 20 December 2017 10:59 CET | Original file | https://www.mdpi.com/2227-9717/5/4/86/xml |
| article pdf uploaded. | 20 December 2017 10:59 CET | Version of Record | https://www.mdpi.com/2227-9717/5/4/86/pdf |
