| article html file updated | 8 February 2020 05:39 CET | Update | https://www.mdpi.com/2073-4441/9/5/342 |
| article html file updated | 24 September 2019 18:49 CEST | Update | - |
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| article html file updated | 1 June 2017 04:50 CEST | Update | - |
| article html file updated | 23 May 2017 04:05 CEST | Update | - |
| article html file updated | 11 May 2017 14:52 CEST | Original file | - |
| article xml uploaded. | 11 May 2017 14:51 CEST | Original file | https://www.mdpi.com/2073-4441/9/5/342/xml |
| article pdf uploaded. | 11 May 2017 14:51 CEST | Version of Record | https://www.mdpi.com/2073-4441/9/5/342/pdf |
