| article html file updated | 11 February 2020 17:28 CET | Update | https://www.mdpi.com/1996-1073/12/4/684 |
| article html file updated | 15 October 2019 08:35 CEST | Update | - |
| article html file updated | 26 April 2019 13:45 CEST | Update | - |
| article html file updated | 12 April 2019 09:18 CEST | Update | - |
| article html file updated | 4 April 2019 00:21 CEST | Update | - |
| article html file updated | 1 March 2019 15:04 CET | Update | - |
| article html file updated | 1 March 2019 07:34 CET | Update | - |
| article html file updated | 20 February 2019 13:47 CET | Original file | - |
| article pdf uploaded. | 20 February 2019 13:46 CET | Version of Record | https://www.mdpi.com/1996-1073/12/4/684/pdf |
| article xml uploaded. | 20 February 2019 13:46 CET | Update | https://www.mdpi.com/1996-1073/12/4/684/xml |
| article xml file uploaded | 20 February 2019 13:46 CET | Original file | - |
