| article html file updated | 9 February 2020 14:57 CET | Update | https://www.mdpi.com/2304-6775/6/2/20 |
| article html file updated | 2 October 2019 21:31 CEST | Update | - |
| article html file updated | 1 May 2019 01:16 CEST | Update | - |
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| article html file updated | 26 June 2018 05:47 CEST | Update | - |
| article html file updated | 23 April 2018 14:51 CEST | Original file | - |
| article pdf uploaded. | 23 April 2018 14:50 CEST | Version of Record | https://www.mdpi.com/2304-6775/6/2/20/pdf |
| article xml uploaded. | 23 April 2018 14:50 CEST | Update | https://www.mdpi.com/2304-6775/6/2/20/xml |
| article xml file uploaded | 23 April 2018 14:50 CEST | Original file | - |
