| article html file updated | 9 February 2020 03:34 CET | Update | https://www.mdpi.com/2078-2489/9/1/21 |
| article html file updated | 30 September 2019 01:06 CEST | Update | N/A |
| article html file updated | 2 May 2019 01:13 CEST | Update | N/A |
| article html file updated | 17 April 2019 23:33 CEST | Update | N/A |
| article html file updated | 28 March 2019 16:42 CET | Update | N/A |
| article html file updated | 1 February 2018 11:43 CET | Update | N/A |
| article html file updated | 18 January 2018 17:51 CET | Original file | N/A |
| article xml uploaded. | 18 January 2018 17:50 CET | Update | https://www.mdpi.com/2078-2489/9/1/21/xml |
| article xml uploaded. | 18 January 2018 17:50 CET | Original file | N/A |
| article pdf uploaded. | 18 January 2018 17:50 CET | Version of Record | https://www.mdpi.com/2078-2489/9/1/21/pdf |
