function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Akrami, Mohammad Ali', 3],
    ['Aoki, Jun-Ichi', 3],
    ['Aspe, Nonillon M. & James, Samuel W.', 1],
    ['Beck, L. & Woas, S.', 1],
    ['Behan-Pelletier, Valerie M. & Lindo, Zoë', 16],
    ['Bolger, Thomas', 1],
    ['Ermilov, Sergey G. & Corpuz-Raros, Leonila', 1],
    ['ErmilovK, Sergey G. & KontschánK, Jenő', 1],
    ['Fischer, Barbara M. & Schatz, Heinrich', 1],
    ['Gershwin, Lisa-Ann & Zeidler, Wolfgang', 2],
    ['Luxton, Malcolm', 2],
    ['Migliorini, Massimo', 2],
    ['Murvanidze, Maka & Mumladze, Levan', 8],
    ['Murvanidze, Maka & Todria, Nino & Maraun, Mark & Mumladze, Levan', 1],
    ['Weigmann, G. & Miko, L.', 13],
    ['Other (2)', 2]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=58)',
    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);