function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Caterino, Michael S.', 14],
    ['Connior, Matthew B. & Kovarik, Peter W. & Iii, Stephen Chordas', 1],
    ['Ghahari, Hassan & Mazur, Slawomir & Ostovan, Hadi', 7],
    ['Lackner, Tomáš', 1],
    ['Leivas, Fernando W. T. & Moura, Daniel P. & Caterino, Michael S.', 1],
    ['Majka, Christopher', 1],
    ['Marseul, S. A. de', 1],
    ['Mazur, Sławomir & Byk, Adam', 6],
    ['Mitter, Heinz', 1],
    ['Penati, Fabio', 9],
    ['Peschel, Rüdiger', 11],
    ['Polat, Alper & Yildirim, Erol', 3],
    ['Tishechkin, A. K. & Zinchenko, V. K. & Sergeev, M. E.', 2],
    ['Webster, Reginald P. & Makepeace, Scott & DeMerchant, Ian', 6]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=64)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 14, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);