| article html file updated | 9 February 2020 08:03 CET | Update | https://www.mdpi.com/2227-9067/5/3/33 |
| article html file updated | 1 October 2019 03:27 CEST | Update | N/A |
| article html file updated | 1 May 2019 15:26 CEST | Update | N/A |
| article html file updated | 17 April 2019 14:58 CEST | Update | N/A |
| article html file updated | 29 March 2019 02:35 CET | Update | N/A |
| article html file updated | 26 March 2018 13:06 CEST | Update | N/A |
| article html file updated | 28 February 2018 11:49 CET | Original file | N/A |
| article xml uploaded. | 28 February 2018 11:48 CET | Original file | https://www.mdpi.com/2227-9067/5/3/33/xml |
| article pdf uploaded. | 28 February 2018 11:48 CET | Version of Record | https://www.mdpi.com/2227-9067/5/3/33/pdf |
