| article html file updated | 9 February 2020 13:57 CET | Update | https://www.mdpi.com/2227-9709/5/2/20 |
| article html file updated | 2 October 2019 15:46 CEST | Update | N/A |
| article html file updated | 1 May 2019 03:13 CEST | Update | N/A |
| article html file updated | 17 April 2019 03:38 CEST | Update | N/A |
| article html file updated | 29 March 2019 15:59 CET | Update | N/A |
| article html file updated | 27 June 2018 09:51 CEST | Update | N/A |
| article html file updated | 16 April 2018 11:16 CEST | Original file | N/A |
| article pdf uploaded. | 16 April 2018 11:15 CEST | Version of Record | https://www.mdpi.com/2227-9709/5/2/20/pdf |
| article xml uploaded. | 16 April 2018 11:15 CEST | Update | https://www.mdpi.com/2227-9709/5/2/20/xml |
| article xml file uploaded | 16 April 2018 11:14 CEST | Original file | N/A |
