| article html file updated | 7 February 2020 06:46 CET | Update | https://www.mdpi.com/2072-6651/8/4/101 |
| article html file updated | 5 May 2019 19:42 CEST | Update | N/A |
| article html file updated | 27 March 2019 00:55 CET | Update | N/A |
| article html file updated | 28 April 2016 10:28 CEST | Update | N/A |
| article html file updated | 1 April 2016 15:18 CEST | Original file | N/A |
| article xml uploaded. | 1 April 2016 15:17 CEST | Update | https://www.mdpi.com/2072-6651/8/4/101/xml |
| article pdf uploaded. | 1 April 2016 15:17 CEST | Version of Record | https://www.mdpi.com/2072-6651/8/4/101/pdf |
