| article html file updated | 9 February 2020 15:34 CET | Update | https://www.mdpi.com/2079-9721/6/2/32 |
| article html file updated | 3 October 2019 01:06 CEST | Update | - |
| article html file updated | 1 May 2019 00:06 CEST | Update | - |
| article html file updated | 17 April 2019 00:46 CEST | Update | - |
| article html file updated | 29 March 2019 19:48 CET | Update | - |
| article html file updated | 27 April 2018 09:50 CEST | Original file | - |
| article pdf uploaded. | 27 April 2018 09:48 CEST | Version of Record | https://www.mdpi.com/2079-9721/6/2/32/pdf |
| article xml uploaded. | 27 April 2018 09:48 CEST | Update | https://www.mdpi.com/2079-9721/6/2/32/xml |
| article xml file uploaded | 27 April 2018 09:48 CEST | Original file | - |
