function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Ballantyne, Lesley A. & Lambkin, Christine', 73],
    ['Ballantyne, Lesley A. & Lambkin, Christine L.', 67],
    ['Ballantyne, Lesley A. & Lloyd, James E.', 23],
    ['Bocakova, Milada & Campello-Gonçalves, Lucas', 17],
    ['Fanti, Fabrizio & Ghahari, Hassan', 20],
    ['Fu, Xinhua & Ballantyne, Lesley & Lambkin, Christine', 16],
    ['Ho, - Z.', 125],
    ['Keller, Oliver & Branham, Marc A.', 273],
    ['Martin, Gavin J. & Powell, Gareth S.', 49],
    ['Martin, Gavin J. & Saxton, Natalie A.', 45],
    ['Martin, Gavin J. & Stanger-Hall, Kathrin F. & Branham, Marc A.', 22],
    ['Pérez-Hernández, Cisteil X. & Zaragoza-Caballero, Santiago', 258],
    ['Pérez-Hernández, Cisteil Xinum', 76],
    ['Silveira, Luiz F L & Khattar, Gabriel & Vaz, Stephanie', 71],
    ['Silveira, Luiz Felipe Lima Da & Mermudes, José Ricardo M.', 30],
    ['Other (92)', 313]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=1478)',
    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);