| article html file updated | 8 February 2020 07:17 CET | Update | https://www.mdpi.com/2227-9717/5/2/29 |
| article html file updated | 25 September 2019 03:17 CEST | Update | N/A |
| article html file updated | 3 May 2019 19:19 CEST | Update | N/A |
| article html file updated | 29 June 2017 12:50 CEST | Update | N/A |
| article html file updated | 5 June 2017 05:43 CEST | Original file | N/A |
| article xml uploaded. | 5 June 2017 05:42 CEST | Original file | https://www.mdpi.com/2227-9717/5/2/29/xml |
| article pdf uploaded. | 5 June 2017 05:42 CEST | Updated version of record | https://www.mdpi.com/2227-9717/5/2/29/pdf |
| article pdf uploaded. | 2 June 2017 12:34 CEST | Version of Record | https://www.mdpi.com/2227-9717/5/2/29/pdf-vor |
