| article html file updated | 7 February 2020 07:43 CET | Update | https://www.mdpi.com/2072-6643/8/4/243 |
| article html file updated | 5 May 2019 17:44 CEST | Update | N/A |
| article html file updated | 27 March 2019 02:49 CET | Update | N/A |
| article html file updated | 28 April 2016 09:33 CEST | Update | N/A |
| article html file updated | 27 April 2016 04:52 CEST | Original file | N/A |
| article xml uploaded. | 25 April 2016 10:28 CEST | Original file | https://www.mdpi.com/2072-6643/8/4/243/xml |
| article pdf uploaded. | 25 April 2016 10:28 CEST | Updated version of record | https://www.mdpi.com/2072-6643/8/4/243/pdf |
| article pdf uploaded. | 23 April 2016 10:07 CEST | Version of Record | https://www.mdpi.com/2072-6643/8/4/243/pdf-vor |
