Table 1 Schedule of experiments conducted in the experimental huts including the rotation of the sleepers and HLC volunteers

23-Aug-22

Sleepers

3

2

6

24-Aug-22

HLC

2 and 3

1 and 4

5 and 6

25-Aug-22

HLC

4 and 1

6 and 5

3 and 2

26-Aug-22

Sleepers

2

6

3

28-Aug-22

Sleepers

6

3

2

29-Aug-22

HLC

5 and 6

2 and 3

1 and 4

30-Aug-22

HLC

3 and 2

4 and 1

6 and 5

31-Aug-22

HLC

1 and 4

5 and 6

2 and 3

01-Sept-22

Sleepers

3

2

6

02-Sept-22

Sleepers

2

6

3