function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Hosoishi, S. & Rahman, Md M. & Heng, S.', 1],
    ['Jallow, Mamudou & Gomez, Kiko', 1],
    ['Jimoh, Bunmi Omowumi & Gomez, Kiko & Kemabonta, Kehinde Abike', 3],
    ['Kiran, Kadri & Karaman, Celal', 1],
    ['Mayr, Gustav L.', 1],
    ['Mostafa R. Sharaf & Shehzad Salman & Hathal M. Al Dhafer', 11],
    ['Sharaf, Mostafa R. & Abdel-Dayem, Mahmoud S. & Mohamed, Amr A.', 2],
    ['Sharaf, Mostafa R. & Fisher, Brian L. & Collingwood, Cedric A.', 2],
    ['Sharaf, Mostafa R. & Wetterer, James K. & Mohamed, Amr A.', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=23)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 9, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);