function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Belguidoum, Amina & Lograda, Takia & Ramdani, Messaoud', 1],
    ['Jarvis, Charlie', 5],
    ['Jorgensen, Per M. & Andersen, Heidi L. & Elvebakk, Arve', 1],
    ['Kosuthova, Alica & Westberg, Martin & talora, Monica A. G.', 2],
    ['McMullin, Richard Troy & Simon, Andrew D. F. & Brodo, Irwin M.', 21],
    ['Moncada, Bibiana & Lücking, Robert', 10],
    ['Müller, Otto Friedrich', 1],
    ['Ossowska, Emilia Anna & Moncada, Bibiana & Kukwa, Martin', 7],
    ['Ossowska, Emilia Anna & Moncada, Bibiana & Luecking, Robert', 7],
    ['Pérez-Vargas, Israel & Hernández-Padrón, Consuelo', 2],
    ['R, Jeanne dos & Silva, eis & Aptroot, André & E, Marcela', 9],
    ['Sokoloff, Paul C. & Freebury, Colin E. & Hamilton, Paul B.', 2],
    ['Stepanova, Dace & Moisejevs, Rolands & Nitcis, Ma ris', 1],
    ['Westberg, Martin & Timdal, Einar & Asplund, Johan', 1],
    ['Wijayawardene, Nalin N. & Dai, Dong-Qin & Premarathne, Bhagya M.', 6]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=76)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 15, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);