| article html file updated | 9 February 2020 05:53 CET | Update | https://www.mdpi.com/2077-0472/8/2/23 |
| article html file updated | 30 September 2019 14:53 CEST | Update | N/A |
| article html file updated | 1 May 2019 20:08 CEST | Update | N/A |
| article html file updated | 17 April 2019 19:14 CEST | Update | N/A |
| article html file updated | 28 March 2019 21:43 CET | Update | N/A |
| article html file updated | 14 March 2018 08:35 CET | Update | N/A |
| article html file updated | 8 February 2018 03:34 CET | Update | N/A |
| article xml uploaded. | 8 February 2018 03:33 CET | Update | https://www.mdpi.com/2077-0472/8/2/23/xml |
| article pdf uploaded. | 8 February 2018 03:33 CET | Updated version of record | https://www.mdpi.com/2077-0472/8/2/23/pdf |
| article html file updated | 7 February 2018 17:17 CET | Original file | N/A |
| article xml uploaded. | 7 February 2018 17:16 CET | Original file | N/A |
| article pdf uploaded. | 7 February 2018 17:16 CET | Version of Record | https://www.mdpi.com/2077-0472/8/2/23/pdf-vor |
