function drawChartTreatmentsPerAuthor() {
  var chartData = google.visualization.arrayToDataTable([
    ['Series', 'Number of Treatments'],
    ['Alekseev, Vitalii I. & Drotikova, Anna M. & Rozhina, Viktoria I.', 2],
    ['Alekseev, Vitalii I. & Kupryjanowicz, Janusz & Kairišs, Kristaps', 3],
    ['Barševskis, Arvīds & Janovska, Marina & Aksjuta, Kristīna', 1],
    ['Biscaccianti, Alessandro B. & Esser, Jens & Cuoco, Silvio', 6],
    ['Borges, Paulo A. V. & Gaspar, Clara', 2],
    ['Bouchard, Patrice & Bousquet, Yves & Davies, Anthony E.', 1],
    ['Carlton, Christopher E. & Leschen, Richard A. B.', 1],
    ['Chittaro, Yannick & Sanchez, Andreas & Blanc, Mickaël', 1],
    ['Esser, Jens & Varandi, Hassan Barimani', 3],
    ['Lawrence, John F. & Escalona, Hermes E. & Leschen, Richard A. B.', 8],
    ['Majka, Christopher G.', 7],
    ['Meurgey, François & Ramage, Thibault', 3],
    ['Peck, Stewart B.', 2],
    ['Stefanelli, Silvia & Della Rocca, Francesca & Bogliani, Giuseppe', 6],
    ['Webster, Reginald P. & Sweeney, Jon D. & DeMerchant, Ian', 7],
    ['Other (17)', 17]
  ]);
  var chartOptions = {
    pieHole: 0,
    title: 'Treatments per Author (n=70)',
    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);