| article html file updated | 8 February 2020 02:11 CET | Update | https://www.mdpi.com/2227-9717/5/2/14 |
| article html file updated | 23 September 2019 23:56 CEST | Update | N/A |
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| article html file updated | 29 June 2017 12:47 CEST | Update | N/A |
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| article html file updated | 24 March 2017 12:24 CET | Original file | N/A |
| article xml uploaded. | 24 March 2017 12:23 CET | Original file | https://www.mdpi.com/2227-9717/5/2/14/xml |
| article pdf uploaded. | 24 March 2017 12:23 CET | Version of Record | https://www.mdpi.com/2227-9717/5/2/14/pdf |
