| article html file updated | 7 February 2020 02:31 CET | Update | https://www.mdpi.com/1099-4300/18/1/2 |
| article html file updated | 6 May 2019 04:23 CEST | Update | - |
| article html file updated | 26 March 2019 16:57 CET | Original file | - |
| article pdf uploaded. | 22 December 2015 17:56 CET | Updated version of record | https://www.mdpi.com/1099-4300/18/1/2/pdf |
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| article xml uploaded. | 22 December 2015 16:56 CET | Original file | https://www.mdpi.com/1099-4300/18/1/2/xml |
| article pdf uploaded. | 22 December 2015 16:17 CET | Version of Record | - |
