| article html file updated | 8 February 2020 00:04 CET | Update | https://www.mdpi.com/2218-1989/7/1/10 |
| article html file updated | 23 September 2019 11:43 CEST | Update | N/A |
| article html file updated | 4 May 2019 09:53 CEST | Update | N/A |
| article html file updated | 30 March 2017 11:59 CEST | Update | N/A |
| article html file updated | 24 February 2017 06:49 CET | Update | N/A |
| article xml uploaded. | 24 February 2017 06:48 CET | Update | https://www.mdpi.com/2218-1989/7/1/10/xml |
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| article html file updated | 23 February 2017 09:49 CET | Original file | N/A |
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| article pdf uploaded. | 23 February 2017 09:48 CET | Version of Record | https://www.mdpi.com/2218-1989/7/1/10/pdf |
