| article html file updated | 8 February 2020 05:05 CET | Update | https://www.mdpi.com/2079-6374/7/2/19 |
| article html file updated | 24 September 2019 15:57 CEST | Update | N/A |
| article html file updated | 3 May 2019 23:27 CEST | Update | N/A |
| article html file updated | 28 June 2017 12:43 CEST | Update | N/A |
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| article html file updated | 5 May 2017 16:03 CEST | Original file | N/A |
| article xml uploaded. | 5 May 2017 16:01 CEST | Original file | https://www.mdpi.com/2079-6374/7/2/19/xml |
| article pdf uploaded. | 5 May 2017 16:01 CEST | Version of Record | https://www.mdpi.com/2079-6374/7/2/19/pdf |
