| article html file updated | 7 February 2020 21:03 CET | Update | https://www.mdpi.com/1424-8247/10/1/8 |
| article html file updated | 22 September 2019 19:24 CEST | Update | N/A |
| article html file updated | 4 May 2019 16:13 CEST | Update | N/A |
| article html file updated | 9 November 2017 12:34 CET | Update | N/A |
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| article html file updated | 9 January 2017 10:52 CET | Original file | N/A |
| article xml uploaded. | 9 January 2017 10:50 CET | Original file | https://www.mdpi.com/1424-8247/10/1/8/xml |
| article pdf uploaded. | 9 January 2017 10:50 CET | Version of Record | https://www.mdpi.com/1424-8247/10/1/8/pdf |
