| article html file updated | 7 February 2020 19:49 CET | Update | https://www.mdpi.com/1424-8220/16/12/2160 |
| article html file updated | 22 September 2019 12:34 CEST | Update | - |
| article html file updated | 4 May 2019 18:47 CEST | Update | - |
| article html file updated | 27 December 2016 13:14 CET | Update | - |
| article html file updated | 16 December 2016 12:47 CET | Original file | - |
| article xml uploaded. | 16 December 2016 12:46 CET | Update | https://www.mdpi.com/1424-8220/16/12/2160/xml |
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| article pdf uploaded. | 16 December 2016 12:46 CET | Version of Record | https://www.mdpi.com/1424-8220/16/12/2160/pdf |
