| article html file updated | 8 February 2020 12:15 CET | Update | https://www.mdpi.com/2227-9709/4/3/24 |
| article html file updated | 26 September 2019 05:31 CEST | Update | N/A |
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| article html file updated | 27 March 2019 18:08 CET | Update | N/A |
| article html file updated | 27 October 2017 10:27 CEST | Update | N/A |
| article html file updated | 28 July 2017 15:07 CEST | Original file | N/A |
| article xml uploaded. | 28 July 2017 15:06 CEST | Original file | https://www.mdpi.com/2227-9709/4/3/24/xml |
| article pdf uploaded. | 28 July 2017 15:06 CEST | Version of Record | https://www.mdpi.com/2227-9709/4/3/24/pdf |
