function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Grinang, Jongkar & Ng, Peter K. L.', 19],
    ['Husana, Daniel Edison M. & Kase, Tomoki', 3],
    ['Husana, Daniel Edison M. & Ng, Peter K. L.', 3],
    ['Naser, Murtada D. & Davie, Peter J. F. & Waltham, Nathan J.', 4],
    ['Ng, Peter K L & Grinang, Jongkar', 10],
    ['Ng, Peter K. L.', 10],
    ['Ng, Peter K. L. & Ng, Paul Y. C.', 7],
    ['Ng, Peter K. L. & Takeda, Masatsune', 7],
    ['Pati, S. K. & Rajesh, L. & Raj, Smrithy & Sheeja, V. U.', 9],
    ['Pati, S. K. & Sharma, R. M.', 8],
    ['Pati, S. K. & Thackeray, T.', 6],
    ['Pati, S. K. & Thackeray, T. & Khaire, A.', 5],
    ['Pati, Sameer K. & Mandal, Sudipta & Jaiswal, Deepa', 4],
    ['Pati, Sameer K. & Thackeray, Tejas', 9],
    ['Pati, Sameer Kumar & Bajantri, Parashuram Prabhu', 3],
    ['Other (27)', 39]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=146)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 16, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);