function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Buck, Matthias & Marshall, Stephen A.', 43],
    ['Ebejer, Martin J. & Gatt, Paul', 1],
    ['Harrison, Roy A.', 1],
    ['Marshall, Stephen A. & Roháček, Jindřich & Dong, Hui', 1],
    ['Paiero, Steven Mark & Marshall, Stephen A.', 1],
    ['Papp, L.', 13],
    ['Papp, László', 3],
    ['Richards, O. W.', 16],
    ['Sforzi, Alessandra & Sommaggio, Daniele', 1],
    ['Sinclair, Bradley J.', 4],
    ['Spuler, Anthony', 4],
    ['Telfer, Angela C & Young, Monica R & Quinn, Jenna & Perez, Kate', 1],
    ['Tepedino, Karla P.', 5]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=94)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 13, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);