| article html file updated | 8 February 2020 22:01 CET | Update | https://www.mdpi.com/2218-2004/5/4/48 |
| article html file updated | 28 September 2019 16:53 CEST | Update | N/A |
| article html file updated | 2 May 2019 13:08 CEST | Update | N/A |
| article html file updated | 18 April 2019 10:47 CEST | Update | N/A |
| article html file updated | 2 January 2018 13:21 CET | Update | N/A |
| article html file updated | 24 November 2017 09:22 CET | Update | N/A |
| article xml uploaded. | 24 November 2017 09:21 CET | Update | https://www.mdpi.com/2218-2004/5/4/48/xml |
| article pdf uploaded. | 24 November 2017 09:21 CET | Updated version of record | https://www.mdpi.com/2218-2004/5/4/48/pdf |
| article html file updated | 23 November 2017 14:48 CET | Original file | N/A |
| article xml uploaded. | 23 November 2017 14:46 CET | Original file | N/A |
| article pdf uploaded. | 23 November 2017 14:46 CET | Version of Record | N/A |
