## Acknowledgement to Reviewers of _Applied Sciences_ in 2019
* Quinlan _et al._ (2020) Quinlan, Jason
* Quinn _et al._ (2020) Quinn, Roger
* Quintero _et al._ (2020) Quintero, Felipe
* Quinto _et al._ (2020) Quinto, Ivana
* Quirino _et al._ (2020) Quirino, Rafael L.
* Qureshi _et al._ (2020) Qureshi, Jalaluddin
* Quynh Hoa _et al._ (2020) Quynh Hoa, Le
* Raayai _et al._ (2020) Raayai, Shabnam
* Rabadan Borges _et al._ (2020) Rabadan Borges, Jose A
* Rabah _et al._ (2020) Rabah, Hassan
* Rabbani _et al._ (2020) Rabbani, Muhammad Saqib
* Rabczuk _et al._ (2020) Rabczuk, Timon
* Rabiee _et al._ (2020) Rabiee, Ramin
* Racasan _et al._ (2020) Racasan, Radu
* Race _et al._ (2020) Race, Marco
* Raciti _et al._ (2020) Raciti, David
* Raccoviceanu (Babuta), Roxana
* RAD (2020) RAD, Ciprian-Radu
* Radac _et al._ (2020) Radac, Mircea-Bogdan
* Radadiya _et al._ (2020) Radadiya, Ashish
* Radanliev _et al._ (2020) Radanliev, Petar
* Radaram _et al._ (2020) Radaram, Bhasker
* Radecki _et al._ (2020) Radecki, Rafal
* Radhakrishnan _et al._ (2020) Radhakrishnan, Chandra
* Radhakrishnan _et al._ (2020) Radhakrishnan, Chandrashekar
* Radhakrishnan _et al._ (2020) Radhakrishnan, Sivaprakasam
* Radicioni _et al._ (2020) Radicioni, Fabio
* Radkowski _et al._ (2020) Radkowski, Rafael
* Radmila _et al._ (2020) Radmila, Pavlovic
* Radonic _et al._ (2020) Radonic, Vasa
* Radosinski _et al._ (2020) Radosinski, Lukasz
* Radoslaw _et al._ (2020) Radoslaw, Jasinski
* Radtke _et al._ (2020) Radtke, Mariusz
* Radu _et al._ (2020) Radu, Petru Valentin
* Radulescu _et al._ (2020) Radulescu, Corina
* Radwan _et al._ (2020) Radwan, Amr
* Radwarski _et al._ (2020) Radwarski, Krzysztof
* Radziemska _et al._ (2020) Radziemska, Maja
* Radziszewska -Zielia _et al._ (2020) Radziszewska -Zielia, Elzbieta
* Raeis-Hosseini _et al._ (2020) Raeis-Hosseini, Niloufar
* Raetz _et al._ (2020) Raetz, Samuel
* Rafajdus _et al._ (2020) Rafajdus, Pavol
* Rafalskaya _et al._ (2020) Rafalskaya, Tatyana
* Raffa _et al._ (2020) Raffa, Giovanni
* Raffaeli _et al._ (2020) Raffaeli, Roberto
* Raffaelli _et al._ (2020) Raffaelli, Carla
* Raffi _et al._ (2020) Raffi, Milena
* Raffo _et al._ (2020) Raffo, Antonio
* Rafiee _et al._ (2020) Rafiee, Mohammad
* Rafieeinasab _et al._ (2020) Rafieeinasab, Arezoo
* Rafique _et al._ (2020) Rafique, Waqas
* Ragab _et al._ (2020) Ragab, Mohyeldin
* Ragab _et al._ (2020) Ragab, Tarek
* Raghavan _et al._ (2020) Raghavan, Narendran
* Raghavan _et al._ (2020) Raghavan, Seetha
* Ragosta _et al._ (2020) Ragosta, Maria
* Ragulskis _et al._ (2020) Ragus, Minvydas
* Ragusa _et al._ (2020) Ragusa, Andrea
* Rahbar-Rastegar _et al._ (2020) Rahbar-Rastegar, Reyhaneh
* Rabi _et al._ (2020) Rabi, Khayyun A. * Rahimpour _et al._ (2020) Rahimpour, Alireza
* Rahlff _et al._ (2020) Rahlff, Janina
* Rahmal _et al._ (2020) Rahman Rashid, Rizwan Abdul
* Rahman _et al._ (2020) Rahman, Akhlaqur
* Rahman _et al._ (2020) Rahman, Ashiquur X
* Rahman _et al._ (2020) Rahman, Habib
* Rahman _et al._ (2020) Rahman, M Arifur
* Rahman _et al._ (2020) Rahman, M. Mahbubur
* Rahman _et al._ (2020) Rahman, Mahmudur
* Rahman _et al._ (2020) Rahman, Md Mofijur
* Rahman _et al._ (2020) Rahman, Mohammad Shafiqur
* Rahman _et al._ (2020) Rahman, Moshiur
* Rahman _et al._ (2020) Rahman, Muhib
* Rahman _et al._ (2020) Rahman, Quazi
* Rahman _et al._ (2020) Rahman, S M Ashrafur
* Rahman _et al._ (2020) Rahman, S.M.