public async Task <IEnumerable <HospitalSuggestion> > ListSuggestionsAsync(int take)
        {
            var waitingTime = await GetHospitalsWatingTimeAsync();

            var hospitalTasks = waitingTime.ToList()
                                .OrderBy(x => x.Value)
                                .Take(take)
                                .Select(x => x.Key)
                                .Select(async x => await _hospitalRepository.GetAsync(x));

            var hospitals = await Task.WhenAll(hospitalTasks);

            return(hospitals.Select(x => new HospitalSuggestion
            {
                Id = x.Id,
                Name = x.Name,
                WaitTime = waitingTime[x.Id]
            }));
        }