| article html file updated | 8 February 2020 06:18 CET | Update | https://www.mdpi.com/2072-6651/9/5/173 |
| article html file updated | 24 September 2019 22:14 CEST | Update | - |
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| article html file updated | 1 June 2017 12:09 CEST | Update | - |
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| article html file updated | 19 May 2017 13:52 CEST | Original file | - |
| article xml uploaded. | 19 May 2017 13:51 CEST | Update | https://www.mdpi.com/2072-6651/9/5/173/xml |
| article pdf uploaded. | 19 May 2017 13:51 CEST | Version of Record | https://www.mdpi.com/2072-6651/9/5/173/pdf |
