| article html file updated | 7 February 2020 20:01 CET | Update | https://www.mdpi.com/2075-4701/6/12/324 |
| article html file updated | 22 September 2019 13:39 CEST | Update | N/A |
| article html file updated | 4 May 2019 18:24 CEST | Update | N/A |
| article html file updated | 28 December 2016 11:26 CET | Update | N/A |
| article html file updated | 21 December 2016 04:04 CET | Original file | N/A |
| article xml uploaded. | 21 December 2016 04:02 CET | Update | https://www.mdpi.com/2075-4701/6/12/324/xml |
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| article pdf uploaded. | 21 December 2016 04:02 CET | Version of Record | https://www.mdpi.com/2075-4701/6/12/324/pdf |
