| article html file updated | 7 February 2020 11:27 CET | Update | https://www.mdpi.com/2304-8158/5/3/50 |
| article html file updated | 5 May 2019 10:35 CEST | Update | N/A |
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| article html file updated | 10 February 2017 03:47 CET | Update | N/A |
| article html file updated | 29 September 2016 11:53 CEST | Update | N/A |
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| article xml uploaded. | 9 July 2016 10:53 CEST | Original file | https://www.mdpi.com/2304-8158/5/3/50/xml |
| article pdf uploaded. | 9 July 2016 10:53 CEST | Version of Record | https://www.mdpi.com/2304-8158/5/3/50/pdf |
