| article html file updated | 4 May 2019 05:17 CEST | Update | https://www.mdpi.com/2076-0760/6/2/37 |
| article html file updated | 13 April 2017 05:07 CEST | Update | - |
| article html file updated | 12 April 2017 07:44 CEST | Update | - |
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| article html file updated | 27 March 2017 05:29 CEST | Update | - |
| article html file updated | 23 March 2017 12:35 CET | Original file | - |
| article xml uploaded. | 23 March 2017 12:34 CET | Original file | https://www.mdpi.com/2076-0760/6/2/37/xml |
| article pdf uploaded. | 23 March 2017 12:34 CET | Version of Record | https://www.mdpi.com/2076-0760/6/2/37/pdf |
