| article html file updated | 9 February 2020 05:33 CET | Update | https://www.mdpi.com/2227-9717/6/2/13 |
| article html file updated | 30 September 2019 12:52 CEST | Update | N/A |
| article html file updated | 1 May 2019 20:54 CEST | Update | N/A |
| article html file updated | 17 April 2019 19:52 CEST | Update | N/A |
| article html file updated | 28 March 2019 20:58 CET | Update | N/A |
| article html file updated | 14 March 2018 14:52 CET | Update | N/A |
| article html file updated | 7 February 2018 09:42 CET | Original file | N/A |
| article xml uploaded. | 7 February 2018 09:41 CET | Update | https://www.mdpi.com/2227-9717/6/2/13/xml |
| article xml uploaded. | 7 February 2018 09:40 CET | Original file | N/A |
| article pdf uploaded. | 7 February 2018 09:40 CET | Updated version of record | https://www.mdpi.com/2227-9717/6/2/13/pdf |
| article pdf uploaded. | 5 February 2018 12:34 CET | Version of Record | https://www.mdpi.com/2227-9717/6/2/13/pdf-vor |
