| article html file updated | 7 February 2020 21:47 CET | Update | https://www.mdpi.com/1424-8247/10/1/12 |
| article html file updated | 22 September 2019 23:07 CEST | Update | N/A |
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| article html file updated | 9 November 2017 12:35 CET | Update | N/A |
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| article html file updated | 19 January 2017 10:04 CET | Original file | N/A |
| article xml uploaded. | 19 January 2017 10:02 CET | Original file | https://www.mdpi.com/1424-8247/10/1/12/xml |
| article pdf uploaded. | 19 January 2017 10:02 CET | Version of Record | https://www.mdpi.com/1424-8247/10/1/12/pdf |
