| article html file updated | 9 February 2020 12:46 CET | Update | https://www.mdpi.com/2226-4787/6/2/30 |
| article html file updated | 2 October 2019 08:17 CEST | Update | N/A |
| article html file updated | 1 May 2019 05:36 CEST | Update | N/A |
| article html file updated | 17 April 2019 05:46 CEST | Update | N/A |
| article html file updated | 29 March 2019 13:15 CET | Update | N/A |
| article html file updated | 27 June 2018 09:23 CEST | Update | N/A |
| article pdf uploaded. | 9 April 2018 10:26 CEST | Updated version of record | https://www.mdpi.com/2226-4787/6/2/30/pdf |
| article html file updated | 9 April 2018 09:01 CEST | Update | N/A |
| article xml uploaded. | 9 April 2018 09:00 CEST | Update | https://www.mdpi.com/2226-4787/6/2/30/xml |
| article pdf uploaded. | 9 April 2018 09:00 CEST | Updated version of record | https://www.mdpi.com/2226-4787/6/2/30/pdf-vor |
| article html file updated | 6 April 2018 08:12 CEST | Original file | N/A |
| article pdf uploaded. | 6 April 2018 08:11 CEST | Version of Record | https://www.mdpi.com/2226-4787/6/2/30/pdf-vor |
