| article html file updated | 8 February 2020 02:05 CET | Update | https://www.mdpi.com/1996-1944/10/4/331 |
| article html file updated | 23 September 2019 23:29 CEST | Update | N/A |
| article html file updated | 4 May 2019 05:21 CEST | Update | N/A |
| article html file updated | 28 April 2017 09:01 CEST | Update | N/A |
| article html file updated | 27 March 2017 05:28 CEST | Update | N/A |
| article html file updated | 26 March 2017 22:24 CEST | Update | N/A |
| article html file updated | 25 March 2017 22:24 CET | Update | N/A |
| article html file updated | 24 March 2017 22:26 CET | Update | N/A |
| article html file updated | 24 March 2017 12:49 CET | Original file | N/A |
| article xml uploaded. | 24 March 2017 12:48 CET | Update | https://www.mdpi.com/1996-1944/10/4/331/xml |
| article pdf uploaded. | 24 March 2017 12:48 CET | Updated version of record | https://www.mdpi.com/1996-1944/10/4/331/pdf |
| article pdf uploaded. | 23 March 2017 12:27 CET | Version of Record | https://www.mdpi.com/1996-1944/10/4/331/pdf-vor |