| article html file updated | 8 February 2020 22:43 CET | Update | https://www.mdpi.com/2075-4701/7/12/535 |
| article html file updated | 28 September 2019 21:14 CEST | Update | - |
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| article html file updated | 2 January 2018 17:43 CET | Update | - |
| article html file updated | 1 December 2017 09:07 CET | Original file | - |
| article xml uploaded. | 1 December 2017 09:06 CET | Original file | https://www.mdpi.com/2075-4701/7/12/535/xml |
| article pdf uploaded. | 1 December 2017 09:06 CET | Version of Record | https://www.mdpi.com/2075-4701/7/12/535/pdf |
