| article html file updated | 9 February 2020 08:38 CET | Update | https://www.mdpi.com/1996-1073/11/3/552 |
| article html file updated | 1 October 2019 06:53 CEST | Update | N/A |
| article html file updated | 1 May 2019 14:14 CEST | Update | N/A |
| article html file updated | 17 April 2019 13:51 CEST | Update | N/A |
| article html file updated | 29 March 2019 03:57 CET | Update | N/A |
| article html file updated | 27 March 2018 05:53 CEST | Update | N/A |
| article html file updated | 5 March 2018 09:26 CET | Original file | N/A |
| article xml uploaded. | 5 March 2018 09:24 CET | Update | https://www.mdpi.com/1996-1073/11/3/552/xml |
| article pdf uploaded. | 5 March 2018 09:24 CET | Version of Record | https://www.mdpi.com/1996-1073/11/3/552/pdf |
