| article html file updated | 8 February 2020 06:06 CET | Update | https://www.mdpi.com/2073-4441/9/5/351 |
| article html file updated | 24 September 2019 21:11 CEST | Update | - |
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| article html file updated | 1 June 2017 04:52 CEST | Update | - |
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| article html file updated | 18 May 2017 08:10 CEST | Original file | - |
| article xml uploaded. | 18 May 2017 08:09 CEST | Update | https://www.mdpi.com/2073-4441/9/5/351/xml |
| article pdf uploaded. | 18 May 2017 08:09 CEST | Version of Record | https://www.mdpi.com/2073-4441/9/5/351/pdf |
