| article html file updated | 7 February 2020 12:42 CET | Update | https://www.mdpi.com/2073-4344/6/8/118 |
| article html file updated | 5 May 2019 08:16 CEST | Update | - |
| article html file updated | 27 March 2019 12:12 CET | Update | - |
| article html file updated | 25 August 2016 11:44 CEST | Update | - |
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| article xml uploaded. | 2 August 2016 10:36 CEST | Original file | https://www.mdpi.com/2073-4344/6/8/118/xml |
| article pdf uploaded. | 2 August 2016 10:36 CEST | Version of Record | https://www.mdpi.com/2073-4344/6/8/118/pdf |
