| article html file updated | 8 February 2020 03:19 CET | Update | https://www.mdpi.com/2072-666X/8/4/121 |
| article html file updated | 24 September 2019 06:16 CEST | Update | N/A |
| article html file updated | 4 May 2019 02:44 CEST | Update | N/A |
| article html file updated | 15 October 2018 05:34 CEST | Update | N/A |
| article html file updated | 28 April 2017 07:09 CEST | Update | N/A |
| article html file updated | 11 April 2017 13:56 CEST | Original file | N/A |
| article xml uploaded. | 11 April 2017 13:55 CEST | Original file | https://www.mdpi.com/2072-666X/8/4/121/xml |
| article pdf uploaded. | 11 April 2017 13:55 CEST | Version of Record | https://www.mdpi.com/2072-666X/8/4/121/pdf |
