| article html file updated | 9 February 2020 08:04 CET | Update | https://www.mdpi.com/1996-1073/11/3/521 |
| article html file updated | 1 October 2019 03:32 CEST | Update | N/A |
| article html file updated | 1 May 2019 15:24 CEST | Update | N/A |
| article html file updated | 17 April 2019 14:56 CEST | Update | N/A |
| article html file updated | 29 March 2019 02:37 CET | Update | N/A |
| article html file updated | 27 March 2018 05:36 CEST | Update | N/A |
| article html file updated | 5 March 2018 12:53 CET | Update | N/A |
| article xml uploaded. | 5 March 2018 12:52 CET | Update | https://www.mdpi.com/1996-1073/11/3/521/xml |
| article pdf uploaded. | 5 March 2018 12:52 CET | Updated version of record | https://www.mdpi.com/1996-1073/11/3/521/pdf |
| article html file updated | 28 February 2018 13:38 CET | Original file | N/A |
| article xml uploaded. | 28 February 2018 13:37 CET | Update | N/A |
| article xml uploaded. | 28 February 2018 13:37 CET | Original file | N/A |
| article pdf uploaded. | 28 February 2018 13:37 CET | Version of Record | https://www.mdpi.com/1996-1073/11/3/521/pdf-vor |