| article html file updated | 14 September 2021 05:49 CEST | Update | https://www.mdpi.com/1422-0067/19/1/322 |
| article html file updated | 9 February 2020 03:55 CET | Update | - |
| article html file updated | 30 September 2019 03:07 CEST | Update | - |
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| article html file updated | 2 February 2018 09:21 CET | Update | - |
| article html file updated | 23 January 2018 07:21 CET | Original file | - |
| article xml uploaded. | 23 January 2018 07:20 CET | Update | https://www.mdpi.com/1422-0067/19/1/322/xml |
| article xml uploaded. | 23 January 2018 07:20 CET | Update | - |
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| article pdf uploaded. | 23 January 2018 07:20 CET | Updated version of record | https://www.mdpi.com/1422-0067/19/1/322/pdf |
| article xml uploaded. | 22 January 2018 17:41 CET | Update | - |
| article xml uploaded. | 22 January 2018 17:41 CET | Original file | - |
| article pdf uploaded. | 22 January 2018 17:41 CET | Version of Record | https://www.mdpi.com/1422-0067/19/1/322/pdf-vor |