| article html file updated | 9 February 2020 08:17 CET | Update | https://www.mdpi.com/2227-7080/6/1/29 |
| article html file updated | 1 May 2019 14:57 CEST | Update | N/A |
| article html file updated | 17 April 2019 14:31 CEST | Update | N/A |
| article html file updated | 29 March 2019 03:09 CET | Update | N/A |
| article html file updated | 28 March 2018 04:23 CEST | Update | N/A |
| article html file updated | 27 March 2018 16:53 CEST | Update | N/A |
| article html file updated | 1 March 2018 16:56 CET | Original file | N/A |
| article xml uploaded. | 1 March 2018 16:55 CET | Original file | https://www.mdpi.com/2227-7080/6/1/29/xml |
| article pdf uploaded. | 1 March 2018 16:55 CET | Version of Record | https://www.mdpi.com/2227-7080/6/1/29/pdf |
