| article html file updated | 9 February 2020 05:59 CET | Update | https://www.mdpi.com/2076-2607/6/1/13 |
| article html file updated | 30 September 2019 15:34 CEST | Update | N/A |
| article html file updated | 1 May 2019 19:54 CEST | Update | N/A |
| article html file updated | 17 April 2019 19:00 CEST | Update | N/A |
| article html file updated | 28 March 2019 21:57 CET | Update | N/A |
| article html file updated | 27 March 2018 14:45 CEST | Update | N/A |
| article html file updated | 8 February 2018 16:55 CET | Original file | N/A |
| article xml uploaded. | 8 February 2018 16:54 CET | Original file | https://www.mdpi.com/2076-2607/6/1/13/xml |
| article pdf uploaded. | 8 February 2018 16:54 CET | Version of Record | https://www.mdpi.com/2076-2607/6/1/13/pdf |
