| article html file updated | 8 February 2020 19:51 CET | Update | https://www.mdpi.com/1999-4915/9/11/321 |
| article html file updated | 28 September 2019 02:48 CEST | Update | N/A |
| article html file updated | 2 May 2019 18:02 CEST | Update | N/A |
| article html file updated | 30 November 2017 14:15 CET | Update | N/A |
| article html file updated | 3 November 2017 08:22 CET | Update | N/A |
| article xml uploaded. | 3 November 2017 08:21 CET | Update | https://www.mdpi.com/1999-4915/9/11/321/xml |
| article xml uploaded. | 3 November 2017 08:21 CET | Update | N/A |
| article pdf uploaded. | 3 November 2017 08:21 CET | Updated version of record | https://www.mdpi.com/1999-4915/9/11/321/pdf |
| article html file updated | 30 October 2017 14:43 CET | Original file | N/A |
| article xml uploaded. | 30 October 2017 14:42 CET | Update | N/A |
| article xml uploaded. | 30 October 2017 14:42 CET | Original file | N/A |
| article pdf uploaded. | 30 October 2017 14:42 CET | Version of Record | https://www.mdpi.com/1999-4915/9/11/321/pdf-vor |
