| article html file updated | 9 February 2020 05:32 CET | Update | https://www.mdpi.com/1996-1073/11/2/370 |
| article html file updated | 30 September 2019 12:45 CEST | Update | - |
| article html file updated | 1 May 2019 20:57 CEST | Update | - |
| article html file updated | 17 April 2019 19:54 CEST | Update | - |
| article html file updated | 28 March 2019 20:56 CET | Update | - |
| article html file updated | 14 March 2018 16:02 CET | Update | - |
| article html file updated | 6 February 2018 12:16 CET | Original file | - |
| article xml uploaded. | 6 February 2018 12:15 CET | Original file | https://www.mdpi.com/1996-1073/11/2/370/xml |
| article pdf uploaded. | 6 February 2018 12:15 CET | Updated version of record | https://www.mdpi.com/1996-1073/11/2/370/pdf |
| article pdf uploaded. | 5 February 2018 08:17 CET | Version of Record | https://www.mdpi.com/1996-1073/11/2/370/pdf-vor |
