| article html file updated | 8 February 2020 23:13 CET | Update | https://www.mdpi.com/2075-1702/5/4/30 |
| article html file updated | 29 September 2019 00:14 CEST | Update | N/A |
| article html file updated | 2 May 2019 10:29 CEST | Update | N/A |
| article html file updated | 18 April 2019 08:07 CEST | Update | N/A |
| article html file updated | 2 January 2018 14:03 CET | Update | N/A |
| article html file updated | 21 December 2017 09:17 CET | Update | N/A |
| article xml uploaded. | 21 December 2017 09:16 CET | Update | https://www.mdpi.com/2075-1702/5/4/30/xml |
| article xml uploaded. | 21 December 2017 09:16 CET | Update | N/A |
| article pdf uploaded. | 21 December 2017 09:16 CET | Updated version of record | https://www.mdpi.com/2075-1702/5/4/30/pdf |
| article html file updated | 5 December 2017 15:31 CET | Original file | N/A |
| article xml uploaded. | 5 December 2017 15:30 CET | Original file | N/A |
| article pdf uploaded. | 5 December 2017 15:30 CET | Version of Record | https://www.mdpi.com/2075-1702/5/4/30/pdf-vor |
