| article html file updated | 7 February 2020 20:56 CET | Update | https://www.mdpi.com/2304-6732/4/1/3 |
| article html file updated | 22 September 2019 18:39 CEST | Update | N/A |
| article html file updated | 4 May 2019 16:29 CEST | Update | N/A |
| article html file updated | 29 March 2017 08:49 CEST | Update | N/A |
| article html file updated | 6 January 2017 12:19 CET | Original file | N/A |
| article xml uploaded. | 6 January 2017 12:17 CET | Original file | https://www.mdpi.com/2304-6732/4/1/3/xml |
| article pdf uploaded. | 6 January 2017 12:17 CET | Version of Record | https://www.mdpi.com/2304-6732/4/1/3/pdf |
