| article html file updated | 7 February 2020 07:19 CET | Update | https://www.mdpi.com/2072-6651/8/4/104 |
| article html file updated | 5 May 2019 18:31 CEST | Update | N/A |
| article html file updated | 27 March 2019 02:00 CET | Update | N/A |
| article html file updated | 28 April 2016 10:29 CEST | Update | N/A |
| article html file updated | 18 April 2016 05:57 CEST | Update | N/A |
| article xml uploaded. | 18 April 2016 05:56 CEST | Update | https://www.mdpi.com/2072-6651/8/4/104/xml |
| article pdf uploaded. | 18 April 2016 05:56 CEST | Updated version of record | https://www.mdpi.com/2072-6651/8/4/104/pdf |
| article html file updated | 15 April 2016 15:19 CEST | Original file | N/A |
| article pdf uploaded. | 15 April 2016 15:18 CEST | Version of Record | https://www.mdpi.com/2072-6651/8/4/104/pdf-vor |
