| article html file updated | 14 September 2021 11:03 CEST | Update | https://www.mdpi.com/2076-3417/8/1/121 |
| article html file updated | 14 September 2021 11:01 CEST | Update | N/A |
| article html file updated | 9 February 2020 03:13 CET | Update | N/A |
| article html file updated | 29 September 2019 22:58 CEST | Update | N/A |
| article html file updated | 2 May 2019 01:56 CEST | Update | N/A |
| article html file updated | 18 April 2019 00:13 CEST | Update | N/A |
| article html file updated | 28 March 2019 15:55 CET | Update | N/A |
| article html file updated | 1 February 2018 13:19 CET | Update | N/A |
| article html file updated | 22 January 2018 07:01 CET | Update | N/A |
| article xml uploaded. | 22 January 2018 07:00 CET | Update | https://www.mdpi.com/2076-3417/8/1/121/xml |
| article pdf uploaded. | 22 January 2018 07:00 CET | Updated version of record | https://www.mdpi.com/2076-3417/8/1/121/pdf |
| article html file updated | 16 January 2018 09:55 CET | Original file | N/A |
| article xml uploaded. | 16 January 2018 09:54 CET | Original file | N/A |
| article pdf uploaded. | 16 January 2018 09:54 CET | Version of Record | https://www.mdpi.com/2076-3417/8/1/121/pdf-vor |
