| article html file updated | 7 February 2020 08:49 CET | Update | https://www.mdpi.com/2073-4352/6/5/59 |
| article html file updated | 5 May 2019 15:36 CEST | Update | N/A |
| article html file updated | 27 March 2019 04:53 CET | Update | N/A |
| article html file updated | 26 May 2016 12:24 CEST | Update | N/A |
| article html file updated | 17 May 2016 10:00 CEST | Original file | N/A |
| article xml uploaded. | 17 May 2016 09:58 CEST | Original file | https://www.mdpi.com/2073-4352/6/5/59/xml |
| article pdf uploaded. | 17 May 2016 09:58 CEST | Version of Record | https://www.mdpi.com/2073-4352/6/5/59/pdf |
