| article html file updated | 7 February 2020 21:37 CET | Update | https://www.mdpi.com/2073-4425/8/1/36 |
| article html file updated | 22 September 2019 22:13 CEST | Update | - |
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| article html file updated | 7 February 2017 12:25 CET | Update | - |
| article html file updated | 17 January 2017 11:18 CET | Original file | - |
| article xml uploaded. | 17 January 2017 11:17 CET | Original file | https://www.mdpi.com/2073-4425/8/1/36/xml |
| article pdf uploaded. | 17 January 2017 11:17 CET | Version of Record | https://www.mdpi.com/2073-4425/8/1/36/pdf |
