function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Faulwetter, Sarah & Simboura, Nomiki & Katsiaras, Nikolaos', 4],
    ['Georgieva, Magdalena N. & Wiklund, Helena & Ramos, Dino A.', 3],
    ['Gunton, Laetitia M. & Kupriyanova, Elena K. & Alvestad, Tom', 8],
    ['Mikac, Barbara', 1],
    ['Miranda, Vinicius Rocha & Rodrigues, Andrielle Raposo', 1],
    ['Miura, Tomoyuki', 2],
    ['Paxton, Hannelore & Davey, Adam', 1],
    ['Paxton, Hannelore & Åkesson, Bertil', 20],
    ['Ravara, Ascensão & Wiklund, Helena & Cunha, Marina R.', 8],
    ['Salazar-Vallejo, Sergio I. & Carrera-Parra, Luis F.', 1],
    ['Salvo, Flora & Wiklund, Helena & Dufour, Suzanne C.', 1],
    ['Wiklund, Helena & Glover, Adrian G. & Dahlgren, Thomas G.', 4],
    ['Zhang, Dong-sheng & Zhou, Ya-dong & Wang, Chun-sheng', 1],
    ['Zhang, Dongsheng & Zhou, Yadong & Yen, Nicole & Hiley, Avery S.', 6]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=61)',
    fontSize: 'automatic',
    doWeHaveDanglingCommas: 'No ;-)'
  };
  if (window.customizeGoogleChartOptions)
    customizeGoogleChartOptions(chartOptions, 'TreatmentsPerAuthor', 'pie', 14, 0);
  var chart = new google.visualization.PieChart(document.getElementById('chartDivTreatmentsPerAuthor'));
  chart.draw(chartData, chartOptions);
}
google.load('visualization', '1', {'packages': ['corechart']});
google.setOnLoadCallback(drawChartTreatmentsPerAuthor);