| article html file updated | 9 February 2020 10:24 CET | Update | https://www.mdpi.com/1996-1073/11/3/688 |
| article html file updated | 1 October 2019 18:30 CEST | Update | N/A |
| article html file updated | 1 May 2019 10:34 CEST | Update | N/A |
| article html file updated | 17 April 2019 10:24 CEST | Update | N/A |
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| article html file updated | 27 March 2018 06:25 CEST | Update | N/A |
| article html file updated | 19 March 2018 14:59 CET | Original file | N/A |
| article xml uploaded. | 19 March 2018 14:58 CET | Update | https://www.mdpi.com/1996-1073/11/3/688/xml |
| article pdf uploaded. | 19 March 2018 14:58 CET | Version of Record | https://www.mdpi.com/1996-1073/11/3/688/pdf |