| article html file updated | 8 February 2020 03:39 CET | Update | https://www.mdpi.com/2076-3263/7/2/27 |
| article html file updated | 24 September 2019 08:06 CEST | Update | - |
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| article html file updated | 25 July 2017 10:26 CEST | Update | - |
| article html file updated | 14 April 2017 16:28 CEST | Original file | - |
| article xml uploaded. | 14 April 2017 16:27 CEST | Update | https://www.mdpi.com/2076-3263/7/2/27/xml |
| article pdf uploaded. | 14 April 2017 16:27 CEST | Version of Record | https://www.mdpi.com/2076-3263/7/2/27/pdf |
