| article html file updated | 7 February 2020 13:14 CET | Update | https://www.mdpi.com/2076-3425/6/3/29 |
| article html file updated | 5 May 2019 07:17 CEST | Update | - |
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| article html file updated | 28 September 2016 11:43 CEST | Update | - |
| article html file updated | 12 August 2016 09:50 CEST | Original file | - |
| article xml uploaded. | 12 August 2016 09:49 CEST | Original file | https://www.mdpi.com/2076-3425/6/3/29/xml |
| article pdf uploaded. | 12 August 2016 09:49 CEST | Version of Record | https://www.mdpi.com/2076-3425/6/3/29/pdf |
