| article html file updated | 9 February 2020 16:02 CET | Update | https://www.mdpi.com/2079-9284/5/2/31 |
| article html file updated | 3 October 2019 04:06 CEST | Update | - |
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| article html file updated | 2 May 2018 14:33 CEST | Update | - |
| article xml uploaded. | 2 May 2018 11:33 CEST | Update | https://www.mdpi.com/2079-9284/5/2/31/xml |
| article pdf uploaded. | 2 May 2018 11:33 CEST | Updated version of record | https://www.mdpi.com/2079-9284/5/2/31/pdf |
| article html file updated | 2 May 2018 08:36 CEST | Original file | - |
| article xml file uploaded | 2 May 2018 08:35 CEST | Original file | - |
