| article html file updated | 7 February 2020 02:07 CET | Update | https://www.mdpi.com/2079-4983/6/4/1064 |
| article html file updated | 21 September 2019 07:43 CEST | Update | - |
| article html file updated | 6 May 2019 05:13 CEST | Update | - |
| article html file updated | 26 March 2019 16:17 CET | Update | - |
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| article html file updated | 11 December 2018 09:14 CET | Update | - |
| article html file updated | 11 December 2018 09:02 CET | Original file | - |
| article pdf uploaded. | 11 December 2015 14:18 CET | Version of Record | https://www.mdpi.com/2079-4983/6/4/1064/pdf |
| article xml uploaded. | 11 December 2015 14:18 CET | Original file | https://www.mdpi.com/2079-4983/6/4/1064/xml |
