| article html file updated | 8 February 2020 00:12 CET | Update | https://www.mdpi.com/2075-4701/7/3/72 |
| article html file updated | 23 September 2019 12:30 CEST | Update | - |
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| article html file updated | 28 March 2017 11:04 CEST | Update | - |
| article html file updated | 24 February 2017 12:35 CET | Update | - |
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| article xml uploaded. | 24 February 2017 12:33 CET | Update | https://www.mdpi.com/2075-4701/7/3/72/xml |
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| article pdf uploaded. | 24 February 2017 12:33 CET | Version of Record | https://www.mdpi.com/2075-4701/7/3/72/pdf |