| article html file updated | 9 February 2020 04:52 CET | Update | https://www.mdpi.com/2077-0383/7/2/16 |
| article html file updated | 30 September 2019 08:38 CEST | Update | - |
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| article html file updated | 14 March 2018 17:00 CET | Update | - |
| article html file updated | 30 January 2018 16:54 CET | Original file | - |
| article xml uploaded. | 30 January 2018 16:53 CET | Original file | https://www.mdpi.com/2077-0383/7/2/16/xml |
| article pdf uploaded. | 30 January 2018 16:53 CET | Version of Record | https://www.mdpi.com/2077-0383/7/2/16/pdf |
