| article html file updated | 9 February 2020 05:16 CET | Update | https://www.mdpi.com/1996-1073/11/2/320 |
| article html file updated | 30 September 2019 11:03 CEST | Update | N/A |
| article html file updated | 1 May 2019 21:34 CEST | Update | N/A |
| article html file updated | 17 April 2019 20:25 CEST | Update | N/A |
| article html file updated | 28 March 2019 20:21 CET | Update | N/A |
| article html file updated | 14 March 2018 15:42 CET | Update | N/A |
| article html file updated | 6 February 2018 08:35 CET | Update | N/A |
| article xml uploaded. | 6 February 2018 08:34 CET | Update | https://www.mdpi.com/1996-1073/11/2/320/xml |
| article xml uploaded. | 6 February 2018 08:34 CET | Update | N/A |
| article pdf uploaded. | 6 February 2018 08:34 CET | Updated version of record | https://www.mdpi.com/1996-1073/11/2/320/pdf |
| article html file updated | 2 February 2018 08:46 CET | Original file | N/A |
| article xml uploaded. | 2 February 2018 08:45 CET | Original file | N/A |
| article pdf uploaded. | 2 February 2018 08:45 CET | Version of Record | https://www.mdpi.com/1996-1073/11/2/320/pdf-vor |
