| article html file updated | 8 February 2020 05:56 CET | Update | https://www.mdpi.com/2227-7390/5/2/27 |
| article html file updated | 24 September 2019 20:21 CEST | Update | N/A |
| article html file updated | 3 May 2019 21:53 CEST | Update | N/A |
| article html file updated | 29 June 2017 11:35 CEST | Update | N/A |
| article html file updated | 23 May 2017 04:17 CEST | Original file | N/A |
| article xml uploaded. | 16 May 2017 10:20 CEST | Original file | https://www.mdpi.com/2227-7390/5/2/27/xml |
| article pdf uploaded. | 16 May 2017 10:20 CEST | Version of Record | https://www.mdpi.com/2227-7390/5/2/27/pdf |
