function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Faulwetter, Sarah & Simboura, Nomiki & Katsiaras, Nikolaos', 28],
    ['Gunton, Laetitia M. & Kupriyanova, Elena K. & Alvestad, Tom', 7],
    ['Hiro & Uchida, omi & Lopéz, Eduardo & Sato, Masanori', 11],
    ['Jimi, Naoto & Eibye-Jacobsen, Danny & Salazar-Vallejo, Sergio I.', 3],
    ['Jimi, Naoto & Tanaka, Masaatsu & Kajihara, Hiroshi', 3],
    ['Mikac, Barbara', 12],
    ['Pleijel, Fredrik & Rouse, Greg W. & Nygren, Arne', 6],
    ['Pleijel, Fredrik & Rouse, Greg W. & Sundkvist, Tobias', 14],
    ['Rizzo, Alexandra E. & Salazar-Vallejo, Sergio I.', 14],
    ['Rouse, Greg W. & Carvajal, Jose Ignacio & Pleijel, Fredrik', 4],
    ['Ruta, Christine & Pleijel, Fredrik', 7],
    ['Salazar-Vallejo, Sergio I.', 90],
    ['Salazar-Vallejo, Sergio I. & Carrera-Parra, Luis F.', 11],
    ['Uchida, Hiro-omi', 4],
    ['Wang, Zhi & Yang, Deyuan & Cai, Jian-Wen Qiu Minggang', 3],
    ['Other (22)', 31]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=248)',
    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);