| article html file updated | 7 February 2020 10:47 CET | Update | https://www.mdpi.com/2304-8158/5/3/47 |
| article html file updated | 5 May 2019 11:48 CEST | Update | - |
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| article html file updated | 10 February 2017 03:47 CET | Update | - |
| article html file updated | 29 September 2016 11:52 CEST | Update | - |
| article html file updated | 25 June 2016 12:05 CEST | Original file | - |
| article xml uploaded. | 25 June 2016 12:04 CEST | Original file | https://www.mdpi.com/2304-8158/5/3/47/xml |
| article pdf uploaded. | 25 June 2016 12:04 CEST | Version of Record | https://www.mdpi.com/2304-8158/5/3/47/pdf |
