| article html file updated | 9 February 2020 04:12 CET | Update | https://www.mdpi.com/2218-273X/8/1/5 |
| article html file updated | 30 September 2019 04:37 CEST | Update | - |
| article html file updated | 1 May 2019 23:50 CEST | Update | - |
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| article html file updated | 27 March 2018 14:24 CEST | Update | - |
| article html file updated | 24 January 2018 16:22 CET | Original file | - |
| article xml uploaded. | 24 January 2018 16:20 CET | Original file | https://www.mdpi.com/2218-273X/8/1/5/xml |
| article pdf uploaded. | 24 January 2018 16:20 CET | Version of Record | https://www.mdpi.com/2218-273X/8/1/5/pdf |
