| article html file updated | 9 February 2020 02:56 CET | Update | https://www.mdpi.com/1996-1073/11/1/191 |
| article html file updated | 29 September 2019 21:20 CEST | Update | - |
| article html file updated | 2 May 2019 02:29 CEST | Update | - |
| article html file updated | 18 April 2019 00:43 CEST | Update | - |
| article html file updated | 28 March 2019 15:17 CET | Update | - |
| article html file updated | 1 February 2018 14:04 CET | Update | - |
| article html file updated | 13 January 2018 08:30 CET | Original file | - |
| article xml uploaded. | 13 January 2018 08:29 CET | Original file | https://www.mdpi.com/1996-1073/11/1/191/xml |
| article pdf uploaded. | 13 January 2018 08:29 CET | Updated version of record | https://www.mdpi.com/1996-1073/11/1/191/pdf |
| article pdf uploaded. | 12 January 2018 18:28 CET | Version of Record | https://www.mdpi.com/1996-1073/11/1/191/pdf-vor |
