| article html file updated | 9 February 2020 02:05 CET | Update | https://www.mdpi.com/2076-3417/8/1/67 |
| article html file updated | 29 September 2019 16:43 CEST | Update | - |
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| article html file updated | 1 February 2018 11:41 CET | Update | - |
| article html file updated | 5 January 2018 09:57 CET | Original file | - |
| article xml uploaded. | 5 January 2018 09:56 CET | Update | https://www.mdpi.com/2076-3417/8/1/67/xml |
| article pdf uploaded. | 5 January 2018 09:56 CET | Version of Record | https://www.mdpi.com/2076-3417/8/1/67/pdf |
