| article html file updated | 9 February 2020 03:14 CET | Update | https://www.mdpi.com/2076-3417/8/1/120 |
| article html file updated | 29 September 2019 23:06 CEST | Update | - |
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| article html file updated | 1 February 2018 13:18 CET | Update | - |
| article html file updated | 16 January 2018 13:21 CET | Original file | - |
| article xml uploaded. | 16 January 2018 13:20 CET | Original file | https://www.mdpi.com/2076-3417/8/1/120/xml |
| article pdf uploaded. | 16 January 2018 13:20 CET | Version of Record | https://www.mdpi.com/2076-3417/8/1/120/pdf |
