function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Abe, Hirokazu & Sato-Okoshi, Waka', 7],
    ['Czerniavsky, Voldemaro', 1],
    ['Delgado-Blas, Victor Hugo & Salazar-Silva, Patricia', 3],
    ['Faulwetter, Sarah & Simboura, Nomiki & Katsiaras, Nikolaos', 6],
    ['Glasby, Christopher J. & Timm, Tarmo & Muir, Alexander I.', 2],
    ['Mikac, Barbara', 1],
    ['Radashevsky, Vasily I.', 3],
    ['Radashevsky, Vasily I. & Al-Kandari, Manal & Malyar, Vasily V.', 8],
    ['Salazar-Vallejo, Sergio I. & Carrera-Parra, Luis F.', 1],
    ['Vı & Delgado-Blas, ctor H.', 2],
    ['Walker, Lexie M', 4]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=38)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 11, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);