function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Alfred W. Thomson & Lawrence M. Page', 12],
    ['Britz, Ralf & Ferraris, Carl J.', 1],
    ['Heok Hee Ng', 22],
    ['Lokeshwor, Yumnam & Marak, Pringranchi Dokgre', 1],
    ['Ng, Heok Hee', 2],
    ['Ng, Heok Hee & Lalronunga, Samuel', 2],
    ['Ng, Heok Hee & Tamang, Lakpa', 1],
    ['Praveenraj, Jayasimhan & Vijayakrishnan, Balaji & Lima, Akum', 1],
    ['Ralf Britz & Carl J. Ferraris, Jr.', 2],
    ['Tamang, Lakpa & Sinha, Bikramjit', 2],
    ['Vijayakrishnan, Balaji & Praveenraj, Jayasimhan', 1]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=47)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 11, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);