| article html file updated | 7 February 2020 19:49 CET | Update | https://www.mdpi.com/2075-4450/7/4/79 |
| article html file updated | 22 September 2019 12:36 CEST | Update | - |
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| article html file updated | 29 December 2016 04:35 CET | Update | - |
| article html file updated | 17 December 2016 07:15 CET | Original file | - |
| article xml uploaded. | 17 December 2016 07:14 CET | Original file | https://www.mdpi.com/2075-4450/7/4/79/xml |
| article pdf uploaded. | 17 December 2016 07:14 CET | Version of Record | https://www.mdpi.com/2075-4450/7/4/79/pdf |
