function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Bächli, Gerhard & Merz, Bernhard & Haenni, Jean-Paul', 6],
    ['Chen, Xiao-Lin & Kameneva, Elena P.', 6],
    ['El-Hawagry, Magdi S.', 10],
    ['Fernandes, Juliana Morgado & Couri, Márcia Souto', 36],
    ['Harym, Younes El & Korneyev, Valery', 7],
    ['Introduction, Iain & Fallén, Lonchaea', 22],
    ['MacGowan, I. & Barták, M.', 14],
    ['MacGowan, I. & Vikhrev, N. E. & Krivosheina, M. G.', 8],
    ['Macgowan, Iain', 86],
    ['Macgowan, Iain & Reimann, André', 10],
    ['Morgulis, E. & Freidberg, A.', 10],
    ['Patitucci, Luciano Damián & Mulieri, Pablo Ricardo', 16],
    ['Pont, Adrian C.', 31],
    ['Pérez, Sandra & De Carvalho, Claudio J. B.', 6],
    ['Rodrigues, João Paulo Vinicios & González, Christian R.', 7],
    ['Other (24)', 51]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=326)',
    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);