| article html file updated | 9 February 2020 23:37 CET | Update | https://www.mdpi.com/1996-1073/11/7/1721 |
| article html file updated | 5 October 2019 03:35 CEST | Update | N/A |
| article html file updated | 30 April 2019 06:01 CEST | Update | N/A |
| article html file updated | 16 April 2019 01:15 CEST | Update | N/A |
| article html file updated | 30 March 2019 16:09 CET | Update | N/A |
| article html file updated | 2 August 2018 01:03 CEST | Update | N/A |
| article html file updated | 1 August 2018 10:10 CEST | Update | N/A |
| article html file updated | 31 July 2018 06:15 CEST | Update | N/A |
| article html file updated | 1 July 2018 08:40 CEST | Original file | N/A |
| article pdf uploaded. | 1 July 2018 08:39 CEST | Version of Record | https://www.mdpi.com/1996-1073/11/7/1721/pdf |
| article xml uploaded. | 1 July 2018 08:39 CEST | Update | https://www.mdpi.com/1996-1073/11/7/1721/xml |
| article xml file uploaded | 1 July 2018 08:39 CEST | Original file | N/A |
