| article html file updated | 9 February 2020 06:37 CET | Update | https://www.mdpi.com/2075-4450/9/1/23 |
| article html file updated | 30 September 2019 19:17 CEST | Update | N/A |
| article html file updated | 1 May 2019 18:28 CEST | Update | N/A |
| article html file updated | 17 April 2019 17:46 CEST | Update | N/A |
| article html file updated | 28 March 2019 23:18 CET | Update | N/A |
| article html file updated | 27 March 2018 14:33 CEST | Update | N/A |
| article html file updated | 14 February 2018 02:32 CET | Original file | N/A |
| article xml uploaded. | 14 February 2018 02:31 CET | Original file | https://www.mdpi.com/2075-4450/9/1/23/xml |
| article pdf uploaded. | 14 February 2018 02:30 CET | Version of Record | https://www.mdpi.com/2075-4450/9/1/23/pdf |
