| article html file updated | 8 February 2020 11:28 CET | Update | https://www.mdpi.com/2079-9276/6/3/28 |
| article html file updated | 26 September 2019 01:11 CEST | Update | - |
| article html file updated | 3 May 2019 11:28 CEST | Update | - |
| article html file updated | 27 March 2019 16:40 CET | Update | - |
| article html file updated | 6 October 2017 05:11 CEST | Update | - |
| article html file updated | 19 July 2017 14:56 CEST | Update | - |
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| article html file updated | 19 July 2017 14:54 CEST | Original file | - |
| article xml uploaded. | 19 July 2017 14:53 CEST | Original file | https://www.mdpi.com/2079-9276/6/3/28/xml |
| article pdf uploaded. | 19 July 2017 14:53 CEST | Version of Record | https://www.mdpi.com/2079-9276/6/3/28/pdf |
