| article html file updated | 9 February 2020 06:15 CET | Update | https://www.mdpi.com/1996-1073/11/2/412 |
| article html file updated | 30 September 2019 17:04 CEST | Update | N/A |
| article html file updated | 1 May 2019 19:18 CEST | Update | N/A |
| article html file updated | 17 April 2019 18:30 CEST | Update | N/A |
| article html file updated | 28 March 2019 22:31 CET | Update | N/A |
| article html file updated | 14 March 2018 16:19 CET | Update | N/A |
| article html file updated | 22 February 2018 08:47 CET | Original file | N/A |
| article xml uploaded. | 22 February 2018 08:46 CET | Update | https://www.mdpi.com/1996-1073/11/2/412/xml |
| article xml uploaded. | 22 February 2018 08:46 CET | Update | N/A |
| article xml uploaded. | 22 February 2018 08:46 CET | Original file | N/A |
| article pdf uploaded. | 22 February 2018 08:46 CET | Updated version of record | https://www.mdpi.com/1996-1073/11/2/412/pdf |
| article pdf uploaded. | 10 February 2018 14:16 CET | Version of Record | https://www.mdpi.com/1996-1073/11/2/412/pdf-vor |
