| article html file updated | 9 February 2020 16:45 CET | Update | https://www.mdpi.com/2227-9091/6/2/53 |
| article html file updated | 3 October 2019 08:39 CEST | Update | - |
| article html file updated | 30 April 2019 21:40 CEST | Update | - |
| article html file updated | 16 April 2019 22:08 CEST | Update | - |
| article html file updated | 29 March 2019 22:45 CET | Update | - |
| article html file updated | 27 June 2018 10:02 CEST | Update | - |
| article html file updated | 8 May 2018 09:35 CEST | Original file | - |
| article pdf uploaded. | 8 May 2018 09:33 CEST | Version of Record | https://www.mdpi.com/2227-9091/6/2/53/pdf |
| article xml uploaded. | 8 May 2018 09:33 CEST | Update | https://www.mdpi.com/2227-9091/6/2/53/xml |
| article xml file uploaded | 8 May 2018 09:33 CEST | Original file | - |
