| article html file updated | 9 February 2020 07:42 CET | Update | https://www.mdpi.com/2223-7747/7/1/13 |
| article html file updated | 1 October 2019 01:29 CEST | Update | N/A |
| article html file updated | 1 May 2019 16:10 CEST | Update | N/A |
| article html file updated | 17 April 2019 15:38 CEST | Update | N/A |
| article html file updated | 29 March 2019 01:42 CET | Update | N/A |
| article html file updated | 27 March 2018 14:56 CEST | Update | N/A |
| article html file updated | 26 February 2018 16:27 CET | Original file | N/A |
| article xml uploaded. | 26 February 2018 16:25 CET | Update | https://www.mdpi.com/2223-7747/7/1/13/xml |
| article xml uploaded. | 26 February 2018 16:25 CET | Original file | N/A |
| article pdf uploaded. | 26 February 2018 16:25 CET | Version of Record | https://www.mdpi.com/2223-7747/7/1/13/pdf |
