| article html file updated | 9 February 2020 09:37 CET | Update | https://www.mdpi.com/2079-9284/5/1/23 |
| article html file updated | 1 October 2019 13:47 CEST | Update | - |
| article html file updated | 1 May 2019 12:12 CEST | Update | - |
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| article html file updated | 29 March 2019 06:05 CET | Update | - |
| article html file updated | 13 March 2018 09:02 CET | Original file | - |
| article xml uploaded. | 13 March 2018 09:01 CET | Original file | https://www.mdpi.com/2079-9284/5/1/23/xml |
| article pdf uploaded. | 13 March 2018 09:01 CET | Version of Record | https://www.mdpi.com/2079-9284/5/1/23/pdf |
