| article html file updated | 7 February 2020 20:01 CET | Update | https://www.mdpi.com/2075-4701/6/12/325 |
| article html file updated | 22 September 2019 13:41 CEST | Update | - |
| article html file updated | 4 May 2019 18:23 CEST | Update | - |
| article html file updated | 28 December 2016 11:27 CET | Update | - |
| article html file updated | 21 December 2016 06:45 CET | Original file | - |
| article xml uploaded. | 21 December 2016 06:44 CET | Update | https://www.mdpi.com/2075-4701/6/12/325/xml |
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| article pdf uploaded. | 21 December 2016 06:44 CET | Version of Record | https://www.mdpi.com/2075-4701/6/12/325/pdf |
