| article html file updated | 9 February 2020 17:36 CET | Update | https://www.mdpi.com/2079-9721/6/2/37 |
| article html file updated | 3 October 2019 14:15 CEST | Update | N/A |
| article html file updated | 30 April 2019 19:53 CEST | Update | N/A |
| article html file updated | 16 April 2019 20:18 CEST | Update | N/A |
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| article html file updated | 16 May 2018 07:26 CEST | Update | N/A |
| article xml uploaded. | 16 May 2018 07:25 CEST | Update | https://www.mdpi.com/2079-9721/6/2/37/xml |
| article html file updated | 15 May 2018 09:45 CEST | Original file | N/A |
| article pdf uploaded. | 15 May 2018 09:44 CEST | Version of Record | https://www.mdpi.com/2079-9721/6/2/37/pdf |
