| article html file updated | 9 February 2020 05:17 CET | Update | https://www.mdpi.com/2227-9059/6/1/13 |
| article html file updated | 30 September 2019 11:11 CEST | Update | N/A |
| article html file updated | 1 May 2019 21:31 CEST | Update | N/A |
| article html file updated | 17 April 2019 20:22 CEST | Update | N/A |
| article html file updated | 28 March 2019 20:24 CET | Update | N/A |
| article html file updated | 26 March 2018 15:55 CEST | Update | N/A |
| article html file updated | 2 February 2018 10:59 CET | Original file | N/A |
| article xml uploaded. | 2 February 2018 09:21 CET | Original file | https://www.mdpi.com/2227-9059/6/1/13/xml |
| article pdf uploaded. | 2 February 2018 09:21 CET | Version of Record | https://www.mdpi.com/2227-9059/6/1/13/pdf |
