| article html file updated | 9 February 2020 15:40 CET | Update | https://www.mdpi.com/2227-9091/6/2/47 |
| article html file updated | 3 October 2019 01:48 CEST | Update | - |
| article html file updated | 30 April 2019 23:53 CEST | Update | - |
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| article html file updated | 27 June 2018 09:58 CEST | Update | - |
| article html file updated | 28 April 2018 13:56 CEST | Original file | - |
| article pdf uploaded. | 28 April 2018 13:55 CEST | Updated version of record | https://www.mdpi.com/2227-9091/6/2/47/pdf |
| article xml uploaded. | 28 April 2018 13:55 CEST | Update | https://www.mdpi.com/2227-9091/6/2/47/xml |
| article xml file uploaded | 28 April 2018 13:55 CEST | Update | - |
| article pdf uploaded. | 27 April 2018 16:23 CEST | Updated version of record | - |
| article xml file uploaded | 27 April 2018 16:20 CEST | Original file | - |
