| article html file updated | 9 February 2020 12:12 CET | Update | https://www.mdpi.com/2075-4701/8/4/229 |
| article html file updated | 2 October 2019 05:00 CEST | Update | N/A |
| article html file updated | 1 May 2019 06:45 CEST | Update | N/A |
| article html file updated | 17 April 2019 06:48 CEST | Update | N/A |
| article html file updated | 29 March 2019 11:58 CET | Update | N/A |
| article html file updated | 1 May 2018 07:31 CEST | Update | N/A |
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| article html file updated | 3 April 2018 12:54 CEST | Update | N/A |
| article html file updated | 2 April 2018 23:37 CEST | Original file | N/A |
| article xml uploaded. | 2 April 2018 09:33 CEST | Update | https://www.mdpi.com/2075-4701/8/4/229/xml |
| article pdf uploaded. | 2 April 2018 09:33 CEST | Version of Record | https://www.mdpi.com/2075-4701/8/4/229/pdf |
