| article html file updated | 12 February 2020 00:23 CET | Update | https://www.mdpi.com/1996-1073/12/6/1138 |
| article html file updated | 17 October 2019 02:30 CEST | Update | N/A |
| article html file updated | 25 April 2019 22:33 CEST | Update | N/A |
| article html file updated | 11 April 2019 17:39 CEST | Update | N/A |
| article html file updated | 4 April 2019 18:53 CEST | Update | N/A |
| article html file updated | 23 March 2019 10:23 CET | Original file | N/A |
| article pdf uploaded. | 23 March 2019 10:21 CET | Version of Record | https://www.mdpi.com/1996-1073/12/6/1138/pdf |
| article xml uploaded. | 23 March 2019 10:21 CET | Update | https://www.mdpi.com/1996-1073/12/6/1138/xml |
| article xml file uploaded | 23 March 2019 10:21 CET | Original file | N/A |
